{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "17.3"
              },
              {
                "fixed": "17.9.8"
              }
            ]
          },
          "events": [
            {
              "introduced": "5aad128b1defa01641e69fdcd5a2ec16bd1d4c2c"
            },
            {
              "fixed": "610a89e5348b7d0e5e0955e04372fcd583fbac06"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        },
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "17.10"
              },
              {
                "fixed": "17.10.6"
              }
            ]
          },
          "events": [
            {
              "introduced": "ef8041bebeac4b902db1666c582a3de1d495ae39"
            },
            {
              "fixed": "cde687530d9e34029806d689bbe6e6cd566bbafc"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        },
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "17.11"
              },
              {
                "fixed": "17.11.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "b7c061ce59a5eca5c5764fcf61be8a5103fb7d55"
            },
            {
              "fixed": "86b7032203f889edf597c88c37809b07e2ca1a8f"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GitLab",
    "cwe_ids": [
      "CWE-288"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0549.json"
  },
  "details": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.",
  "id": "CVE-2025-0549",
  "modified": "2026-04-01T23:09:55.653473096Z",
  "published": "2025-05-09T16:13:23.860Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0549.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0549"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/513996"
    },
    {
      "type": "REPORT",
      "url": "https://hackerone.com/reports/2927555"
    },
    {
      "type": "PACKAGE",
      "url": "git://git@gitlab.com:gitlab-org/gitlab.git"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Authentication Bypass Using an Alternate Path or Channel in GitLab"
}