High severity · published Sep 12, 2025
CVE-2025-6454
An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated…
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to make unintended internal requests through proxy environments by injecting crafted sequences.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
16.11.0 before 18.1.6; 16.11.0 before 18.1.6; 18.2.0 before 18.2.6; 18.2.0 before 18.2.6; 18.3.0 before 18.3.2; 18.3.0 before 18.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6454
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6454
Release Notes
https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/550766
Permissions Required
https://hackerone.com/reports/3162711
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