CVE-2026-15217
HIGH 8.7 ALL-YEARSGitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed cross-site scripting due to improper neutralization of user-controlled values rendered in table cell content by an analytics dashboard component.
Severe if exploited (CVSS 8.7), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 44th percentile
Impact if exploited
8.7CVSS 3.1 · HIGH · CNA
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ 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 weekly for the full archive, 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:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 18.2.0 and < 19.0.6 |
| Gitlab | Gitlab | ≥ 18.2.0 and < 19.0.6 |
| Gitlab | Gitlab | ≥ 19.1.0 and < 19.1.4 |
| Gitlab | Gitlab | ≥ 19.1.0 and < 19.1.4 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.2 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.2 |
All CVSS metrics
- HIGH 8.7 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - HIGH 8.7 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3830478 CVE record · GitLab · Updated 2026-08-12T19:04:51.420Z
NVD · CVE-2026-15217 · Updated 2026-08-19T16:44:03.530
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-57438 EUVD · EUVD-2026-57438
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/605449 CVE record · GitLab · Updated 2026-08-12T19:04:51.420Z
NVD · CVE-2026-15217 · Updated 2026-08-19T16:44:03.530 - https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ CVE record · GitLab · Updated 2026-08-12T19:04:51.420Z
NVD · CVE-2026-15217 · Updated 2026-08-19T16:44:03.530
Sources: NVD · CVE.org · All sources and attribution · EPSS