CVE-2020-13346 - CVE House
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Status published Medium CVE-2020-13346

Membership changes are not reflected in ToDo subscriptions in GitLab...

Vulnerability Description

Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to access confidential issues through API.

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 [vaib25vicky](https://hackerone.com/vaib25vicky) for reporting this vulnerability through our HackerOne bug bounty program

References

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CVE-2025-9642
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CVE-2025-9484
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Medium 4.3

Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=11.2, <13.2.10, >=13.3.0, <13.3.7, >=13.4.0, <13.4.2

Timeline

Official Publish: October 7th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.