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High 8.0Published Dec 11, 2025

CVE-2025-12029Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Updated under an hour ago ()

Does this affect you?

It affects GitLab. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI."

CVSS
8.0 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitLab
NVD analysis
Analyzed
Record last updated
Feb 26, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
GitLab GitLab
gitlab:gitlab
from 15.11 before 18.4.6; from 18.5 before 18.5.4; from 18.6 before 18.6.2
CNA record
gitlab gitlab
gitlab:gitlab
from 15.11.0 before 18.4.6; from 15.11.0 before 18.4.6; from 18.5.0 before 18.5.4; from 18.5.0 before 18.5.4; from 18.6.0 before 18.6.2; from 18.6.0 before 18.6.2
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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