CVE-2023-1936: Exposure of Private Personal Information to an Unauthorized Actor in GitLab

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-11 · updated 2026-06-17
Weakness: CWE-359

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to leak the email address of a user who created a service desk issue.

Affected products

GitLab: from 13.7 before 15.11.10; from 16.0.0 before 16.0.6; from 16.1 before 16.1.1 — fixed in 15.11.10, 16.0.6, 16.1.1

How to fix

Upgrade to a fixed version: GitLab 15.11.10, 16.0.6, 16.1.1. Check the vendor advisory for mitigations.

References

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