Medium severity · published Jun 12, 2025
CVE-2025-5996
An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. A lack of input validation in HTTP responses could allow an authenticated user to cause denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
2.1.0 before 17.10.8; 2.1.0 before 17.10.8; 17.11.0 before 17.11.4; 17.11.0 before 17.11.4; 18.0.0 before 18.0.2; 18.0.0 before 18.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5996
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5996
Exploit
https://gitlab.com/gitlab-org/gitlab/-/issues/476671
Exploit
https://gitlab.com/gitlab-org/gitlab/-/issues/479167
Exploit
https://gitlab.com/gitlab-org/gitlab/-/issues/483111
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/483150
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/498649
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