CVE-2026-10712

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVSS 8 HIGHEPSS 0.2%CWE-79

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

25 Jun 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

GitLab · GitLab

public PoCs found — 1

cve_referencehackerone.com/reports/3688717unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/601857 https://hackerone.com/reports/3688717