Critical severity · published Aug 12, 2026
CVE-2026-16627
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
9.0
CVSS
0.5%
EPSS
No
On KEV
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to escalate privileges due to improper sanitization of HTML content rendered in a CI job modal.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
19.2 before 19.2.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16627
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16627
Release Notes
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/work_items/606678
Permissions Required
https://hackerone.com/reports/3880796
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