FKIE_CVE-2026-2845

Vulnerability from fkie_nvd - Published: 2026-02-25 21:16 - Updated: 2026-02-28 01:05
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an authenticated user to cause denial of service by exploiting a Bitbucket Server import endpoint via repeatedly sending large responses.
References
cve@gitlab.comhttps://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/Release Notes, Vendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/work_items/570554Broken Link
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab 18.9.0
gitlab gitlab 18.9.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "2C284DA2-89BA-4728-B503-BF3279EFE9BB",
              "versionEndExcluding": "18.7.5",
              "versionStartIncluding": "11.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "5F9A1A01-1984-4982-8650-39DD7DFDBA4F",
              "versionEndExcluding": "18.7.5",
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            },
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              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "432C7223-F8B6-4EBA-84E2-2BB8A0F367D2",
              "versionEndExcluding": "18.8.5",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "630677C7-21EB-4E91-BB15-4610DCD22F98",
              "versionEndExcluding": "18.8.5",
              "versionStartIncluding": "18.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*",
              "matchCriteriaId": "795727F0-1B38-483F-BEE8-FB252EE57AC9",
              "vulnerable": true
            },
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              "matchCriteriaId": "73CCBA34-57C3-454D-A898-5D216EE1D5E9",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an authenticated user to cause denial of service by exploiting a Bitbucket Server import endpoint via repeatedly sending large responses."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones desde la 11.2 anterior a la 18.7.5, la 18.8 anterior a la 18.8.5 y la 18.9 anterior a la 18.9.1 que podr\u00eda haber permitido a un usuario autenticado causar una denegaci\u00f3n de servicio al explotar un endpoint de importaci\u00f3n del servidor de Bitbucket mediante el env\u00edo repetido de respuestas grandes."
    }
  ],
  "id": "CVE-2026-2845",
  "lastModified": "2026-02-28T01:05:22.467",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-25T21:16:44.547",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/"
    },
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      "source": "cve@gitlab.com",
      "tags": [
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      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/570554"
    }
  ],
  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "cve@gitlab.com",
      "type": "Primary"
    }
  ]
}


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Sightings

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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.
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  • 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.



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