CVE-2026-15216

HIGH 8.7 ALL-YEARS

Published 2026-08-12 · Last modified 2026-08-13 · GitLab · NVD: Analyzed

GitLab 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 data rendered in pagination controls by an analytics dashboard component.

ELEVATED IMPACT

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

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

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

Search GitHub now — results may be empty or unverified.

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: 2026-10-26T04:59:11.116Z

Affected

Vendors Gitlab

Products Gitlab

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/3830061 technical-descriptionexploitpermissions-requiredPermissions RequiredCVE record · GitLab · Updated 2026-08-12T19:04:46.419Z
NVD · CVE-2026-15216 · Updated 2026-08-19T16:44:13.203

Advisories

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-57437 ADVISORYEUVD · EUVD-2026-57437

Technical & other

https://gitlab.com/gitlab-org/gitlab/-/work_items/605448 Broken LinkCVE record · GitLab · Updated 2026-08-12T19:04:46.419Z
NVD · CVE-2026-15216 · Updated 2026-08-19T16:44:13.203
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ Release NotesCVE record · GitLab · Updated 2026-08-12T19:04:46.419Z
NVD · CVE-2026-15216 · Updated 2026-08-19T16:44:13.203

Sources: NVD · CVE.org · All sources and attribution · EPSS