# CVE-2026-13707

## Summary

- **CVE ID:** CVE-2026-13707
- **Severity:** UNKNOWN
- **CVSS Score:** 0 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-384
- **Published:** Jul 1, 2026
- **Last Modified:** Jul 1, 2026

## Description

Session fixation vulnerability in Wikimedia Foundation OAuth.

 This vulnerability is associated with program files src/Backend/MWOAuthServer.Php.



This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.

## Affected Products

- Wikimedia Foundation — OAuth (*)

## References

- [CNA](https://phabricator.wikimedia.org/T428324)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 27.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._