FKIE_CVE-2026-4527

Vulnerability from fkie_nvd - Published: 2026-05-14 06:16 - Updated: 2026-05-15 19:56
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.
References
cve@gitlab.comhttps://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/Release Notes
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/work_items/594339Broken Link
cve@gitlab.comhttps://hackerone.com/reports/3590487Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
To clipboard 

{
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    {
      "nodes": [
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              "matchCriteriaId": "6BF14399-2C83-416B-A608-6A8E50E03254",
              "versionEndExcluding": "18.9.7",
              "versionStartIncluding": "11.10.0",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "89AA9E0E-F6CD-4FAB-8782-F2FF39365F4B",
              "versionEndExcluding": "18.9.7",
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              "versionEndExcluding": "18.11.3",
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            },
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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 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user\u0027s namespace via a specially crafted link due to missing CSRF protection."
    }
  ],
  "id": "CVE-2026-4527",
  "lastModified": "2026-05-15T19:56:04.503",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-14T06:16:23.810",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
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      ],
      "url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"
    },
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      "tags": [
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  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "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.