CVE-2026-0595

HIGH
2026-02-11 [email protected]
7.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 12:16 nvd
HIGH 7.3

Tags

Gitlab

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

Analysis

Authenticated users in GitLab CE/EE versions 13.9 through 18.8.3 can inject HTML into test case titles to add unauthorized email addresses to victim accounts. This stored XSS vulnerability requires user interaction and does not impact confidentiality of the attacker's own data. …

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Remediation

Within 24 hours: Inventory all GitLab instances and identify affected versions (13.9-18.6.5, 18.7.0-18.7.3, 18.8.0-18.8.3). Within 7 days: Prioritize patching to 18.6.6, 18.7.4, or 18.8.4+; if patching is not immediately feasible, restrict test case creation permissions to trusted users only and audit recent test case modifications for suspicious HTML injection patterns. …

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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +36
POC: 0

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CVE-2026-0595 vulnerability details – vuln.today
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