# CVE-2026-39937

## Summary

- **CVE ID:** CVE-2026-39937
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L)
- **CWE:** CWE-212
- **Published:** Apr 7, 2026
- **Last Modified:** Apr 10, 2026

## Description

Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure.This issue affects non release branches.

## Affected Products

- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.43.7)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.44.4)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.45.2)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.43)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.44)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (1.45)
- The Wikimedia Foundation — Mediawiki - CentralAuth Extension (0)

## References

- [CNA](https://phabricator.wikimedia.org/T418122)
- [CNA](https://gerrit.wikimedia.org/r/q/I0b72427fa329aee85841a2cb23dec3058edce85e)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 18.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._