CVE-2023-1210 - CVE House
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Status published Low CVE-2023-1210

Generation of Error Message Containing Sensitive Information in GitLab

Vulnerability Description

An issue has been discovered in GitLab affecting all versions starting from 12.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to leak a user's email via an error message for groups that restrict membership by email domain.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Thanks [shells3c](https://hackerone.com/shells3c) for reporting this vulnerability through our HackerOne bug bounty program

References

More from GitLab

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CVE-2025-9958
Insertion of Sensitive Information Into Sent Data in GitLab
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CVE-2025-9825
Missing Authorization in GitLab
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CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
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CVE-2025-9484
Missing Authorization in GitLab
Medium 4.3

Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
12.9, 16.1.0, 16.2.0

Timeline

Official Publish: August 1st, 2023
Last Modified: November 20th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-209

MITRE ATT&CK TTPs

T1592 Gather Victim Host Information
Reconnaissance
T1083 File and Directory Discovery
Discovery
T1552 Unsecured Credentials
Credential Access
T1212 Exploitation for Defense Evasion
Defense Evasion
T1005 Data from Local System
Collection