FKIE_CVE-2026-9807

Vulnerability from fkie_nvd - Published: 2026-05-28 09:16 - Updated: 2026-05-29 16:40
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.
References
cve@gitlab.comhttps://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/Release Notes
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/work_items/590694Broken Link
cve@gitlab.comhttps://hackerone.com/reports/3554993Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab 19.0.0
gitlab gitlab 19.0.0
To clipboard 

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              "matchCriteriaId": "B05AAA42-FE02-4189-8C9A-1458ACF3C24C",
              "versionEndExcluding": "18.10.7",
              "versionStartIncluding": "18.9.0",
              "vulnerable": true
            },
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              "matchCriteriaId": "FE7D542C-BB21-4CF0-A3E5-FAD6E9FB2851",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement."
    }
  ],
  "id": "CVE-2026-9807",
  "lastModified": "2026-05-29T16:40:30.443",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
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  },
  "published": "2026-05-28T09:16:49.760",
  "references": [
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      "tags": [
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      "tags": [
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "cve@gitlab.com",
      "type": "Primary"
    }
  ]
}


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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

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.


Detection rules are retrieved from Rulezet.