PT-2026-54918 · Mediawiki · Wikilambda Extension

Jdforrester-Wmf

+1

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CVE-2026-58517

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Published

2026-07-01

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Updated

2026-07-09

CVSS v4.0

6.9

Medium

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Name of the Vulnerable Software and Affected Versions Mediawiki - WikiLambda Extension versions prior to 1.43.9 Mediawiki - WikiLambda Extension versions prior to 1.44.6 Mediawiki - WikiLambda Extension versions prior to 1.45.4
Description Improper neutralization of input terminators in the Mediawiki - WikiLambda Extension allows for authentication bypass, enabling blocked users to create and edit WikiLambda objects.
Recommendations Update to version 1.43.9 or later. Update to version 1.44.6 or later. Update to version 1.45.4 or later.

Fix

Authentication Bypass Using an Alternate Path or Channel

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Weakness Enumeration

CWE-288

Related Identifiers

CVE-2026-58517

Affected Products

Wikilambda Extension