CVE-2025-2934
Full vulnerability record from the local CVENow database.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-10-09 12:15:35.477000
Last modified
2026-10-19 16:10:00.260000
View original CVE JSON
{
"id": "CVE-2025-2934",
"sourceIdentifier": "[email protected]",
"published": "2025-10-09T12:15:35.477",
"lastModified": "2026-10-19T16:10:00.260",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 5.2 prior to 18.2.8, 18.3 prior to 18.3.4, and 18.4 prior to 18.4.2 that could have allowed an authenticated attacker to create a denial of service condition by configuring malicious webhook endpoints that send crafted HTTP responses."
},
{
"lang": "es",
"value": "GitLab ha remediado un problema en GitLab CE/EE que afecta a todas las versiones desde la 5.2 anteriores a la 18.2.8, desde la 18.3 anteriores a la 18.3.4, y desde la 18.4 anteriores a la 18.4.2 que podría haber permitido a un atacante autenticado crear una condición de denegación de servicio al configurar puntos finales de webhook maliciosos que envían respuestas HTTP manipuladas."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "GitLab",
"product": "GitLab",
"defaultStatus": "unaffected",
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"repo": "git://[email protected]:gitlab-org/gitlab.git",
"versions": [
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"version": "5.2",
"lessThan": "18.2.8",
"versionType": "semver",
"status": "affected"
},
{
"version": "18.3",
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"versionType": "semver",
"status": "affected"
},
{
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}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
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"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-10-09T13:48:42.834321Z",
"id": "CVE-2025-2934",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"references": [
{
"url": "https://about.gitlab.com/releases/2025/10/08/patch-release-gitlab-18-4-2-released/",
"source": "[email protected]",
"tags": [
"Release Notes",
"Vendor Advisory"
]
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/528979",
"source": "[email protected]",
"tags": [
"Broken Link"
]
},
{
"url": "https://hackerone.com/reports/3058791",
"source": "[email protected]",
"tags": [
"Permissions Required"
]
}
]
}