CVE-2026-4773 (GCVE-0-2026-4773)

Vulnerability from cvelistv5 – Published: 2026-07-22 12:08 – Updated: 2026-07-22 12:43
VLAI
Title
OTP Bypass in Magarsus' IDM-MFA
Summary
Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass. This issue affects IDM-MFA: from 2025.11.27 before 2026.03.10.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 12:42 UTC
CWE
  • CWE-1287 - Improper validation of specified type of input
References
Impacted products
Vendor Product Version
Magarsus Consulting Ltd. Co. IDM-MFA Affected: 2025.11.27 , < 2026.03.10 (custom)
Create a notification for this product.
Date Public
2026-07-22 11:56
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-4773",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-22T12:42:54.707809Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-22T12:43:01.406Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "IDM-MFA",
          "vendor": "Magarsus Consulting Ltd. Co.",
          "versions": [
            {
              "lessThan": "2026.03.10",
              "status": "affected",
              "version": "2025.11.27",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "An\u0131l KIZILTAN"
        }
      ],
      "datePublic": "2026-07-22T11:56:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.\u003cp\u003eThis issue affects IDM-MFA: from 2025.11.27 before 2026.03.10.\u003c/p\u003e"
            }
          ],
          "value": "Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.\n\nThis issue affects IDM-MFA: from 2025.11.27 before 2026.03.10."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1287",
              "description": "CWE-1287 Improper validation of specified type of input",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-22T12:08:20.308Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
      },
      "references": [
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0607"
        }
      ],
      "source": {
        "advisory": "TR-26-0607",
        "defect": [
          "TR-26-0607"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "OTP Bypass in Magarsus\u0027 IDM-MFA",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2026-4773",
    "datePublished": "2026-07-22T12:08:20.308Z",
    "dateReserved": "2026-03-24T13:41:44.976Z",
    "dateUpdated": "2026-07-22T12:43:01.406Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-4773",
      "date": "2026-10-01",
      "epss": "0.00471",
      "percentile": "0.38467"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "IDM-MFA",
                "vendor": "Magarsus Consulting Ltd. Co.",
                "versions": [
                  {
                    "lessThan": "2026.03.10",
                    "status": "affected",
                    "version": "2025.11.27",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "iletisim@usom.gov.tr"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.\n\nThis issue affects IDM-MFA: from 2025.11.27 before 2026.03.10."
          }
        ],
        "id": "CVE-2026-4773",
        "lastModified": "2026-07-22T16:21:53.517",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.2,
              "source": "iletisim@usom.gov.tr",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-4773",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-22T12:42:54.707809Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-07-22T12:18:12.587",
        "references": [
          {
            "source": "iletisim@usom.gov.tr",
            "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0607"
          }
        ],
        "sourceIdentifier": "iletisim@usom.gov.tr",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-1287"
              }
            ],
            "source": "iletisim@usom.gov.tr",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-4773",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-07-22T12:42:54.707809Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-07-22T12:42:58.395Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "IDM-MFA",
              "vendor": "Magarsus Consulting Ltd. Co.",
              "versions": [
                {
                  "lessThan": "2026.03.10",
                  "status": "affected",
                  "version": "2025.11.27",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "An\u0131l KIZILTAN"
            }
          ],
          "datePublic": "2026-07-22T11:56:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.\u003cp\u003eThis issue affects IDM-MFA: from 2025.11.27 before 2026.03.10.\u003c/p\u003e"
                }
              ],
              "value": "Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.\n\nThis issue affects IDM-MFA: from 2025.11.27 before 2026.03.10."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-115",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-115 Authentication Bypass"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-1287",
                  "description": "CWE-1287 Improper validation of specified type of input",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-07-22T12:08:20.308Z",
            "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
            "shortName": "TR-CERT"
          },
          "references": [
            {
              "tags": [
                "government-resource"
              ],
              "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0607"
            }
          ],
          "source": {
            "advisory": "TR-26-0607",
            "defect": [
              "TR-26-0607"
            ],
            "discovery": "UNKNOWN"
          },
          "title": "OTP Bypass in Magarsus\u0027 IDM-MFA",
          "x_generator": {
            "engine": "Vulnogram 1.0.4"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "assignerShortName": "TR-CERT",
        "cveId": "CVE-2026-4773",
        "datePublished": "2026-07-22T12:08:20.308Z",
        "dateReserved": "2026-03-24T13:41:44.976Z",
        "dateUpdated": "2026-07-22T12:43:01.406Z",
        "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…