CVE-2026-19619
MEDIUM 4.7GitLab 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.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 23rd percentile
Impact if exploited
4.7CVSS 3.1 · MEDIUM
- ConfidentialityLow
- IntegrityLow
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ⚠User interaction: A user must take an action (click / open a file)
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
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Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-79: : Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 19.0.0 and < 19.1.8 |
| Gitlab | Gitlab | ≥ 19.0.0 and < 19.1.8 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.6 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.6 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.2 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.2 |
All CVSS metrics
- MEDIUM 4.7 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N - MEDIUM 4.7 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3808840 CVE record · GitLab · Updated 2026-09-16T06:33:40.829Z
NVD · CVE-2026-19619 · Updated 2026-09-28T15:21:18.480
Advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ CVE record · GitLab · Updated 2026-09-16T06:33:40.829Z
NVD · CVE-2026-19619 · Updated 2026-09-28T15:21:18.480 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-80117 EUVD · EUVD-2026-80117
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/612792 CVE record · GitLab · Updated 2026-09-16T06:33:40.829Z
NVD · CVE-2026-19619 · Updated 2026-09-28T15:21:18.480