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CVE-2025-2256

nvd nist
Published: Sep 12, 2025Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: cve@gitlab.com (Secondary)

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 7.12 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed unauthorized users to render the GitLab instance unresponsive to legitimate users by sending multiple concurrent large SAML responses.

Affected (6)

Products: Gitlab: Gitlab
Gitlab
1 product
Gitlab
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Gitlab
Gitlab
From 18.2.0 to 18.2.6
Gitlab
From 18.3.0 to 18.3.2
Gitlab
From 7.12.0 to 18.1.6
Gitlab
From 18.2.0 to 18.2.6
Gitlab
From 18.3.0 to 18.3.2
Gitlab
From 7.12.0 to 18.1.6

Related CWEs

CWE-1284
Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

References (3)

Source: cve@gitlab.com
Release NotesVendor Advisory
Source: cve@gitlab.com
Broken Link
Source: cve@gitlab.com
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Timeline

No history available yet.