CVE-2026-15975

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

29/07/2026

Last modified:

03/08/2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gitlab:gitlab:::::community:::*	11.8.0 (including)	19.0.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	11.8.0 (including)	19.0.5 (excluding)
cpe:2.3:a:gitlab:gitlab:::::community:::*	19.1.0 (including)	19.1.3 (excluding)
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	19.1.0 (including)	19.1.3 (excluding)
cpe:2.3:a:gitlab:gitlab:19.2.0::::community:::
cpe:2.3:a:gitlab:gitlab:19.2.0::::enterprise:::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-15975

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools