Information Exposure Vulnerability in Wikimedia's OATHAuth Plugin
CVE-2026-34087

5.1MEDIUM

Key Information:

Vendor

Wikimedia Foundation

Status
Oathauth
Vendor
CVE Published:
11 May 2026

What is CVE-2026-34087?

The vulnerability in the OATHAuth plugin allows unauthorized actors to gain access to sensitive information. This can lead to compromised user accounts and potential exploitation of additional vulnerabilities. It is important for users to upgrade to the latest versions to mitigate these risks. For details on the affected versions and to ensure your setup remains secure, refer to the latest patch releases.

Affected Version(s)

OATHAuth * < 1.43.7, 1.44.4, 1.45.2

References

https://phabricator.wikimedia.org/T412061

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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