CVE-2025-14560CWE-79

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

High · published February 11, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
16.6
In the wild
Unconfirmed
What it is

⚡ An authenticated user could turn into a rogue agent, performing unauthorized actions on behalf of others in GitLab! Think of it as a hotel where a guest can sneak into another room without a key, just because they found a way to tamper with the reservation system. This vulnerability could be absolutely devastating! An attacker could exploit this flaw to execute actions as another user, potentially leading to unauthorized access to sensitive data, manipulation of project settings, or even hijacking accounts entirely. This is serious business that could undermine trust in your development environment!

Put simply

Think of it as a hotel where a guest can sneak into another room without a key, just because they found a way to tamper with the reservation system. CVE-2025-14560 allows an authenticated user to inject malicious content into the vulnerability code flow, which can then be executed as if it were an authorized action by another user. This affects all GitLab versions from 17.1 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4.

What to do

This vulnerability could be absolutely devastating! An attacker could exploit this flaw to execute actions as another user, potentially leading to unauthorized access to sensitive data, manipulation of project settings, or even hijacking accounts entirely. This is serious business that could undermine trust in your development environment! To protect yourself, immediately upgrade to at least version 18.6.6, 18.7.4, or 18.8.4. It's crucial to ensure all your GitLab instances are patched and running the latest version to mitigate this vulnerability! You've got this! 🦸 By taking these steps, you'll secure your GitLab environment and step into your hero role!

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00259 · 16.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-11T11:34Z
EPSS history
Timeline
  • 11 FEB 11:34Z
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
    cvelistv5