CVE-2026-4527
Estado: AnalizadaMedia (6.5)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.29%
- Percentil entre todas las CVEs puntuadas: 19
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-352
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-4527",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-4527",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-14T13:22:26.022452Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@gitlab.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@gitlab.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
"vendor": "GitLab",
"product": "GitLab",
"versions": [
{
"status": "affected",
"version": "11.10",
"lessThan": "18.9.7",
"versionType": "semver"
},
{
"status": "affected",
"version": "18.10",
"lessThan": "18.10.6",
"versionType": "semver"
},
{
"status": "affected",
"version": "18.11",
"lessThan": "18.11.3",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-05-14T06:16:23.810",
"references": [
{
"url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/",
"tags": [
"Release Notes"
],
"source": "cve@gitlab.com"
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/594339",
"tags": [
"Broken Link"
],
"source": "cve@gitlab.com"
},
{
"url": "https://hackerone.com/reports/3590487",
"tags": [
"Permissions Required"
],
"source": "cve@gitlab.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "cve@gitlab.com",
"description": [
{
"lang": "en",
"value": "CWE-352"
}
]
}
],
"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's namespace via a specially crafted link due to missing CSRF protection."
}
],
"lastModified": "2026-06-17T10:56:45.050",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6BF14399-2C83-416B-A608-6A8E50E03254",
"versionEndExcluding": "18.9.7",
"versionStartIncluding": "11.10.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"vulnerable": true,
"matchCriteriaId": "89AA9E0E-F6CD-4FAB-8782-F2FF39365F4B",
"versionEndExcluding": "18.9.7",
"versionStartIncluding": "11.10.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "98488AF5-9D73-47EC-B7CB-41766FBC3774",
"versionEndExcluding": "18.10.6",
"versionStartIncluding": "18.10.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E79D4F10-88B3-4AA7-BC5E-3FC8FA698969",
"versionEndExcluding": "18.10.6",
"versionStartIncluding": "18.10.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4215ACCD-67B6-4394-AD76-1CE39077FCD2",
"versionEndExcluding": "18.11.3",
"versionStartIncluding": "18.11.0"
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DA0D6580-3530-4D76-81CE-D852BCE0D411",
"versionEndExcluding": "18.11.3",
"versionStartIncluding": "18.11.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@gitlab.com"
}