🔐 CVE Alert

CVE-2026-19619

MEDIUM 4.7

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

CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in the context of a targeted user's session due to improper sanitization of pasted HTML content in the Content Editor.

CWE CWE-79
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Sep 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

GitLab / GitLab
19.0 < 19.1.8 19.2 < 19.2.6 19.3 < 19.3.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/612792 hackerone.com: https://hackerone.com/reports/3808840 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/

Credits

Thanks [lucvs](https://hackerone.com/lucvs) for reporting this vulnerability through our HackerOne bug bounty program