CVE-2026-107166 (GCVE-0-2026-107166)

Vulnerability from cvelistv5 – Published: 2026-10-07 16:00 – Updated: 2026-10-07 22:06 X_Open Source
VLAI
Title
Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources
Summary
A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0. It is recommended to apply a patch to fix this issue.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 21:52 UTC
CWE
Impacted products
Vendor Product Version
n/a Open5GS Affected: 2.7.0
Affected: 2.7.1
Affected: 2.7.2
Affected: 2.7.3
Affected: 2.7.4
Affected: 2.7.5
Affected: 2.7.6
Affected: 2.7.7
    cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-107166",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-07T21:52:41.281520Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-07T22:06:04.601Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "GTP-U Receive Path"
          ],
          "product": "Open5GS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.7.0"
            },
            {
              "status": "affected",
              "version": "2.7.1"
            },
            {
              "status": "affected",
              "version": "2.7.2"
            },
            {
              "status": "affected",
              "version": "2.7.3"
            },
            {
              "status": "affected",
              "version": "2.7.4"
            },
            {
              "status": "affected",
              "version": "2.7.5"
            },
            {
              "status": "affected",
              "version": "2.7.6"
            },
            {
              "status": "affected",
              "version": "2.7.7"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "ea1809 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0. It is recommended to apply a patch to fix this issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "Allocation of Resources",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-07T16:00:09.165Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-414968 | Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/414968"
        },
        {
          "name": "VDB-414968 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/414968/cti"
        },
        {
          "name": "CVE-2026-107166 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-107166"
        },
        {
          "name": "Submit #994175 | Open5GS 2.7.7 Reachable Assertion leading to Remote Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/994175"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/4792"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/pull/4806"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/commit/9ffc252482d9b03ac01abcedbe95497ff4f95dd0"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/open5gs/open5gs/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-07T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-10-07T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-07T13:32:06.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-107166",
    "datePublished": "2026-10-07T16:00:09.165Z",
    "dateReserved": "2026-10-07T11:26:59.363Z",
    "dateUpdated": "2026-10-07T22:06:04.601Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-107166",
      "date": "2026-10-08",
      "epss": "0.00552",
      "percentile": "0.44399"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "GTP-U Receive Path"
                ],
                "product": "Open5GS",
                "vendor": "n/a",
                "versions": [
                  {
                    "status": "affected",
                    "version": "2.7.0"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.1"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.2"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.3"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.4"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.5"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.6"
                  },
                  {
                    "status": "affected",
                    "version": "2.7.7"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0. It is recommended to apply a patch to fix this issue."
          }
        ],
        "id": "CVE-2026-107166",
        "lastModified": "2026-10-07T23:16:59.560",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "cna@vuldb.com",
              "type": "Secondary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "cna@vuldb.com",
              "type": "Secondary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "PROOF_OF_CONCEPT",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "LOW",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "cna@vuldb.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-107166",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-07T21:52:41.281520Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-07T16:17:44.870",
        "references": [
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/open5gs/open5gs/"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/open5gs/open5gs/commit/9ffc252482d9b03ac01abcedbe95497ff4f95dd0"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/open5gs/open5gs/issues/4792"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/open5gs/open5gs/pull/4806"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/cve/CVE-2026-107166"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/submit/994175"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/vuln/414968"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/vuln/414968/cti"
          }
        ],
        "sourceIdentifier": "cna@vuldb.com",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-400"
              },
              {
                "lang": "en",
                "value": "CWE-770"
              }
            ],
            "source": "cna@vuldb.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-107166",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-10-07T21:52:41.281520Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-10-07T21:52:46.584Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
              ],
              "modules": [
                "GTP-U Receive Path"
              ],
              "product": "Open5GS",
              "vendor": "n/a",
              "versions": [
                {
                  "status": "affected",
                  "version": "2.7.0"
                },
                {
                  "status": "affected",
                  "version": "2.7.1"
                },
                {
                  "status": "affected",
                  "version": "2.7.2"
                },
                {
                  "status": "affected",
                  "version": "2.7.3"
                },
                {
                  "status": "affected",
                  "version": "2.7.4"
                },
                {
                  "status": "affected",
                  "version": "2.7.5"
                },
                {
                  "status": "affected",
                  "version": "2.7.6"
                },
                {
                  "status": "affected",
                  "version": "2.7.7"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "ea1809 (VulDB User)"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0. It is recommended to apply a patch to fix this issue."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 5,
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-770",
                  "description": "Allocation of Resources",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-400",
                  "description": "Resource Consumption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-07T16:00:09.165Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-414968 | Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/vuln/414968"
            },
            {
              "name": "VDB-414968 | CTI Indicators (IOB, IOC, TTP, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/414968/cti"
            },
            {
              "name": "CVE-2026-107166 | CVE Analysis and Report",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/cve/CVE-2026-107166"
            },
            {
              "name": "Submit #994175 | Open5GS 2.7.7 Reachable Assertion leading to Remote Denial of Service",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/994175"
            },
            {
              "tags": [
                "exploit",
                "issue-tracking"
              ],
              "url": "https://github.com/open5gs/open5gs/issues/4792"
            },
            {
              "tags": [
                "issue-tracking",
                "patch"
              ],
              "url": "https://github.com/open5gs/open5gs/pull/4806"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/open5gs/open5gs/commit/9ffc252482d9b03ac01abcedbe95497ff4f95dd0"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/open5gs/open5gs/"
            }
          ],
          "tags": [
            "x_open-source"
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-10-07T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-10-07T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-10-07T13:32:06.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources",
          "x_generator": [
            "VulDB PVTS v202610"
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-107166",
        "datePublished": "2026-10-07T16:00:09.165Z",
        "dateReserved": "2026-10-07T11:26:59.363Z",
        "dateUpdated": "2026-10-07T22:06:04.601Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…