// For flags

CVE-2025-4979

Insufficient Granularity of Access Control in GitLab

Severity Score

4.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. An attacker may be able to reveal masked or hidden CI variables (that they did not author) in the WebUI, by simply creating their own variable and observing the HTTP response.

*Credits: This vulnerability was discovered internally by a GitLab team member.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-20 CVE Reserved
  • 2025-05-22 CVE Published
  • 2025-05-22 CVE Updated
  • 2025-05-28 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-1220: Insufficient Granularity of Access Control
CAPEC
References (0)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
GitLab
Search vendor "GitLab"
 GitLab
Search vendor "GitLab" for product "GitLab"
 < 17.10.7
Search vendor "GitLab" for product "GitLab" and version " < 17.10.7"
en
Affected
GitLab
Search vendor "GitLab"
 GitLab
Search vendor "GitLab" for product "GitLab"
 >= 17.11.0 < 17.11.3
Search vendor "GitLab" for product "GitLab" and version " >= 17.11.0 < 17.11.3"
en
Affected
GitLab
Search vendor "GitLab"
 GitLab
Search vendor "GitLab" for product "GitLab"
 >= 18.0.0 < 18.0.1
Search vendor "GitLab" for product "GitLab" and version " >= 18.0.0 < 18.0.1"
en
Affected