FKIE_CVE-2025-12571

Vulnerability from fkie_nvd - Published: 2025-11-26 20:15 - Updated: 2025-12-02 20:33
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.
References
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/issues/579168Broken Link
cve@gitlab.comhttps://hackerone.com/reports/3362239Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab 18.6.0
gitlab gitlab 18.6.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "60BC6173-DBA9-4C2B-A659-78F8221C9FD8",
              "versionEndExcluding": "18.4.5",
              "versionStartIncluding": "17.10.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "3043D7D0-EFF5-4DC6-8C4F-081D5227CFEE",
              "versionEndExcluding": "18.4.5",
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              "vulnerable": true
            },
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              "matchCriteriaId": "A2361C72-A29E-47BB-A3FD-E4D656AF820F",
              "versionEndExcluding": "18.5.3",
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "1B00EBAB-22CC-4350-AED2-60C7F78C0A8F",
              "versionEndExcluding": "18.5.3",
              "versionStartIncluding": "18.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.6.0:*:*:*:community:*:*:*",
              "matchCriteriaId": "E53003CF-149D-45C9-8574-B57FDE1F1612",
              "vulnerable": true
            },
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              "matchCriteriaId": "200F0D66-67E2-4C9B-98C5-2F57FF5D7611",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads."
    }
  ],
  "id": "CVE-2025-12571",
  "lastModified": "2025-12-02T20:33:34.590",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-11-26T20:15:47.943",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
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      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/579168"
    },
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      "source": "cve@gitlab.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/3362239"
    }
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  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "cve@gitlab.com",
      "type": "Primary"
    }
  ]
}


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  • 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.



Detection rules are retrieved from Rulezet.