CVE-2026-105163 (GCVE-0-2026-105163)

Vulnerability from cvelistv5 – Published: 2026-10-04 21:30 – Updated: 2026-10-04 21:30 X_Open Source
VLAI
Title
crossplane crossplane-runtime ImageConfig client.go Get toctou
Summary
A vulnerability was detected in crossplane crossplane-runtime up to 2.2.2/2.3.2. This vulnerability affects the function Get of the file pkg/xpkg/client.go of the component ImageConfig. The manipulation results in time-of-check time-of-use. The attack may be launched remotely. Upgrading to version 2.2.3, 2.3.3 and 2.4.0-rc.1 is able to resolve this issue. The patch is identified as bee99c6cd6ca81878acca2940a2f0a02169fc208. You should upgrade the affected component.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version
crossplane crossplane-runtime Affected: 2.2.0
Affected: 2.2.1
Affected: 2.2.2
Affected: 2.3.0
Affected: 2.3.1
Affected: 2.3.2
Unaffected: 2.2.3
Unaffected: 2.3.3
Unaffected: 2.4.0-rc.1
    cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
bugbunny-research tonghuaroot VulDB GitHub Commit Analyzer
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "ImageConfig"
          ],
          "product": "crossplane-runtime",
          "vendor": "crossplane",
          "versions": [
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              "status": "affected",
              "version": "2.2.0"
            },
            {
              "status": "affected",
              "version": "2.2.1"
            },
            {
              "status": "affected",
              "version": "2.2.2"
            },
            {
              "status": "affected",
              "version": "2.3.0"
            },
            {
              "status": "affected",
              "version": "2.3.1"
            },
            {
              "status": "affected",
              "version": "2.3.2"
            },
            {
              "status": "unaffected",
              "version": "2.2.3"
            },
            {
              "status": "unaffected",
              "version": "2.3.3"
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            {
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              "version": "2.4.0-rc.1"
            }
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          "type": "tool",
          "value": "VulDB GitHub Commit Analyzer"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in crossplane crossplane-runtime up to 2.2.2/2.3.2. This vulnerability affects the function Get of the file pkg/xpkg/client.go of the component ImageConfig. The manipulation results in time-of-check time-of-use. The attack may be launched remotely. Upgrading to version 2.2.3, 2.3.3 and 2.4.0-rc.1 is able to resolve this issue. The patch is identified as bee99c6cd6ca81878acca2940a2f0a02169fc208. You should upgrade the affected component."
        }
      ],
      "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:L/VA:N/SC:N/SI:N/SA:N/E:X",
            "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:L/A:N/E:X/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:L/A:N/E:X/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N/E:ND/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "Time-of-check Time-of-use",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
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              "description": "Race Condition",
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      "providerMetadata": {
        "dateUpdated": "2026-10-04T21:30:12.785Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-413395 | crossplane crossplane-runtime ImageConfig client.go Get toctou",
          "tags": [
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            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/413395"
        },
        {
          "name": "VDB-413395 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/413395/cti"
        },
        {
          "name": "CVE-2026-105163 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-105163"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/advisories/GHSA-mf7q-r4rv-jv94"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/crossplane/crossplane-runtime/pull/1038"
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        {
          "tags": [
            "patch"
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          "url": "https://github.com/crossplane/crossplane-runtime/commit/bee99c6cd6ca81878acca2940a2f0a02169fc208"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/crossplane/crossplane-runtime/releases/tag/v2.2.3"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/crossplane/crossplane-runtime/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
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          "lang": "en",
          "time": "2026-10-04T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-10-04T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-04T09:33:30.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "crossplane crossplane-runtime ImageConfig client.go Get toctou",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-105163",
    "datePublished": "2026-10-04T21:30:12.785Z",
    "dateReserved": "2026-10-04T07:28:17.729Z",
    "dateUpdated": "2026-10-04T21:30:12.785Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "ImageConfig"
                ],
                "product": "crossplane-runtime",
                "vendor": "crossplane",
                "versions": [
                  {
                    "status": "affected",
                    "version": "2.2.0"
                  },
                  {
                    "status": "affected",
                    "version": "2.2.1"
                  },
                  {
                    "status": "affected",
                    "version": "2.2.2"
                  },
                  {
                    "status": "affected",
                    "version": "2.3.0"
                  },
                  {
                    "status": "affected",
                    "version": "2.3.1"
                  },
                  {
                    "status": "affected",
                    "version": "2.3.2"
                  },
                  {
                    "status": "unaffected",
                    "version": "2.2.3"
                  },
                  {
                    "status": "unaffected",
                    "version": "2.3.3"
                  },
                  {
                    "status": "unaffected",
                    "version": "2.4.0-rc.1"
                  }
                ]
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            ],
            "source": "cna@vuldb.com"
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was detected in crossplane crossplane-runtime up to 2.2.2/2.3.2. This vulnerability affects the function Get of the file pkg/xpkg/client.go of the component ImageConfig. The manipulation results in time-of-check time-of-use. The attack may be launched remotely. Upgrading to version 2.2.3, 2.3.3 and 2.4.0-rc.1 is able to resolve this issue. The patch is identified as bee99c6cd6ca81878acca2940a2f0a02169fc208. You should upgrade the affected component."
          }
        ],
        "id": "CVE-2026-105163",
        "lastModified": "2026-10-04T22:16:58.763",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "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": "NONE",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                "version": "3.1"
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              "impactScore": 1.4,
              "source": "cna@vuldb.com",
              "type": "Primary"
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          "cvssMetricV40": [
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                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "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:L/VA:N/SC:N/SI:N/SA:N/E:X/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": "NONE",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "LOW",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "source": "cna@vuldb.com",
              "type": "Secondary"
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        "published": "2026-10-04T22:16:58.763",
        "references": [
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            "source": "cna@vuldb.com",
            "url": "https://github.com/crossplane/crossplane-runtime/"
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          {
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            "url": "https://github.com/crossplane/crossplane-runtime/commit/bee99c6cd6ca81878acca2940a2f0a02169fc208"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/crossplane/crossplane-runtime/pull/1038"
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          {
            "source": "cna@vuldb.com",
            "url": "https://github.com/crossplane/crossplane-runtime/releases/tag/v2.2.3"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/cve/CVE-2026-105163"
          },
          {
            "source": "cna@vuldb.com",
            "url": "https://vuldb.com/vuln/413395"
          },
          {
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            "url": "https://vuldb.com/vuln/413395/cti"
          }
        ],
        "sourceIdentifier": "cna@vuldb.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-362"
              },
              {
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                "value": "CWE-367"
              }
            ],
            "source": "cna@vuldb.com",
            "type": "Primary"
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        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-10-05T09:05:52+00:00",
      "cve": "CVE-2026-105163",
      "id": "CVE-2026-105163",
      "initial_release_date": "2026-10-04T21:30:12.785000+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "github.com/crossplane/crossplane-runtime: crossplane-runtime: Signature verification bypass via separate image tag resolution",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-105163.json",
      "version": "3"
    }
  }
}



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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

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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.



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