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CVE-2025-6454

Full vulnerability record from the local CVENow database.

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to make unintended internal requests through proxy environments by injecting crafted sequences.

Severity
HIGH
CVSS score
8.8 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-09-12 06:15:42.990000
Last modified
2026-10-19 17:10:00.173000
View original CVE JSON
{
  "id": "CVE-2025-6454",
  "sourceIdentifier": "[email protected]",
  "published": "2025-09-12T06:15:42.990",
  "lastModified": "2026-10-19T17:10:00.173",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to make unintended internal requests through proxy environments by injecting crafted sequences."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones desde la 16.11 anteriores a la 18.1.6, la 18.2 anteriores a la 18.2.6, y la 18.3 anteriores a la 18.3.2 que podría haber permitido a usuarios autenticados realizar solicitudes internas no intencionadas a través de entornos proxy mediante la inyección de secuencias manipuladas."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "GitLab",
          "product": "GitLab",
          "defaultStatus": "unaffected",
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "repo": "git://[email protected]:gitlab-org/gitlab.git",
          "versions": [
            {
              "version": "16.11",
              "lessThan": "18.1.6",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "18.2",
              "lessThan": "18.2.6",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "18.3",
              "lessThan": "18.3.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 6.0
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-09-12T17:18:49.673424Z",
          "id": "CVE-2025-6454",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "versionStartIncluding": "16.11.0",
              "versionEndExcluding": "18.1.6",
              "matchCriteriaId": "1BB011EE-CB96-4C65-A9AC-39A9444F02B7"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "16.11.0",
              "versionEndExcluding": "18.1.6",
              "matchCriteriaId": "04DCF212-BB94-4ED9-8A26-EB3E9D887FDC"
            },
            {
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              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "versionStartIncluding": "18.2.0",
              "versionEndExcluding": "18.2.6",
              "matchCriteriaId": "0AE72006-E61F-4311-85EC-6A66CEB965BF"
            },
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              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "18.2.0",
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              "matchCriteriaId": "08696B68-9433-4D5C-9B89-8C27B560EAAC"
            },
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          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/550766",
      "source": "[email protected]",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://hackerone.com/reports/3162711",
      "source": "[email protected]",
      "tags": [
        "Permissions Required"
      ]
    }
  ]
}