CVE-2025-7659CWE-346

Origin Validation Error in GitLab

High · published February 11, 2026

CVSS v3.1
8.0
EPSS
0%
Percentile
11.7
In the wild
Unconfirmed
What it is

⚡ An unauthenticated user can swipe access tokens like a pickpocket in a crowded market! This vulnerability in GitLab affects versions before 18.6.6, 18.7.4, and 18.8.4, and it’s time to lock it down! 🔒 Imagine a restaurant where the chef shares secret recipes without checking who’s at the door. That’s what’s happening here—an incomplete validation in GitLab’s Web IDE leaves private repositories wide open to unauthorized access. This vulnerability allows attackers to snatch access tokens, potentially exposing sensitive data from private repositories. With this access, they could impersonate users and navigate through sensitive projects, leading to a major data breach and trust erosion.

Put simply

Imagine a restaurant where the chef shares secret recipes without checking who’s at the door. That’s what’s happening here—an incomplete validation in GitLab’s Web IDE leaves private repositories wide open to unauthorized access. The issue stems from insufficient validation in the Web IDE that permits unauthorized access to access tokens. This means that attackers could exploit the flaw without needing any prior authentication, making it easier for them to gain entry to sensitive areas.

What to do

This vulnerability allows attackers to snatch access tokens, potentially exposing sensitive data from private repositories. With this access, they could impersonate users and navigate through sensitive projects, leading to a major data breach and trust erosion. Update GitLab immediately to versions 18.6.6, 18.7.4, or 18.8.4. Review user permissions and audit access logs to ensure that no unauthorized activity has occurred. It’s crucial to tighten your validation checks in the Web IDE! You've got this! By taking these steps, you’ll be fortifying your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00219 · 11.7th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2026-02-11T11:35Z
EPSS history
Timeline
  • 11 FEB 11:35Z
    Origin Validation Error in GitLab
    cvelistv5