CERTFR-2026-AVI-0475

Vulnerability from certfr_avis - Published: 2026-04-22 - Updated: 2026-04-22

De multiples vulnérabilités ont été découvertes dans GitLab. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une injection de code indirecte à distance (XSS) et une injection de requêtes illégitimes par rebond (CSRF).

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
GitLab GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.10.x antérieures à 18.10.4
GitLab GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions antérieures à 18.9.6
GitLab GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.11.x antérieures à 18.11.1
References
Bulletin de sécurité GitLab 2026-04-22 vendor-advisory

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.10.x ant\u00e9rieures \u00e0 18.10.4",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 18.9.6",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) versions 18.11.x ant\u00e9rieures \u00e0 18.11.1",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-3922",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-3922"
    },
    {
      "name": "CVE-2026-5377",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5377"
    },
    {
      "name": "CVE-2025-9957",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-9957"
    },
    {
      "name": "CVE-2026-5262",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5262"
    },
    {
      "name": "CVE-2025-6016",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-6016"
    },
    {
      "name": "CVE-2026-6515",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6515"
    },
    {
      "name": "CVE-2026-4922",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-4922"
    },
    {
      "name": "CVE-2025-0186",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-0186"
    },
    {
      "name": "CVE-2026-1660",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-1660"
    },
    {
      "name": "CVE-2026-5816",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-5816"
    },
    {
      "name": "CVE-2026-3254",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-3254"
    }
  ],
  "initial_release_date": "2026-04-22T00:00:00",
  "last_revision_date": "2026-04-22T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0475",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-22T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Injection de requ\u00eates ill\u00e9gitimes par rebond (CSRF)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans GitLab. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une injection de code indirecte \u00e0 distance (XSS) et une injection de requ\u00eates ill\u00e9gitimes par rebond (CSRF).",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
  "vendor_advisories": [
    {
      "published_at": "2026-04-22",
      "title": "Bulletin de s\u00e9curit\u00e9 GitLab",
      "url": "https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/"
    }
  ]
}


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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.