EUVD-2026-60371
GHSA-78mw-f4q2-924q
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
CSRF via GET requires no attacker privileges (PR:N) but mandates victim browser interaction (UI:R); integrity is high from unrestricted mutations, confidentiality unaffected.
Primary rating from Vendor (GitLab).
CVSS VectorVendor: GitLab
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
Lifecycle Timeline
3DescriptionCVE.org
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.
AnalysisAI
GraphQL multiplex query handling in GitLab CE/EE improperly validates request methods, permitting unauthenticated attackers to trigger state-changing mutations via HTTP GET requests, effectively bypassing CSRF protections. All GitLab CE/EE deployments running versions 18.2 through the affected ranges across the 18.x, 19.0, 19.1, and 19.2 release lines are exposed. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the targeted GitLab instance is network-reachable by the attacker (or the attacker can serve a page the victim's browser will load while the victim has an active, authenticated GitLab session). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.1 High score with vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L accurately characterizes the threat: network-reachable, low complexity, no attacker privileges needed, but requiring one victim interaction (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies a GitLab administrator or developer authenticated to a self-hosted GitLab instance and sends them a phishing link or embeds a malicious image tag in a webpage pointing to a crafted GET URL against the GitLab GraphQL multiplex endpoint containing a mutation payload. When the victim's browser follows the link while their GitLab session is active, the mutation executes in their security context - potentially deleting repositories, adding attacker-controlled SSH keys, modifying CI/CD pipeline configurations, or changing access permissions. … |
| Remediation | The primary fix is to upgrade to a patched GitLab release: 18.11.11, 19.0.8, 19.1.6, or 19.2.4, depending on the currently deployed minor version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all GitLab CE/EE deployments and confirm version numbers across 18.2, 18.3, 19.0, 19.1, and 19.2 release lines. …
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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
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