Bug 2496133 (CVE-2026-58517)

Summary: CVE-2026-58517 wikilambda: WikiLambda Extension: Authentication bypass due to improper input neutralization
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in The Wikimedia Foundation Mediawiki - WikiLambda Extension. This vulnerability, caused by improper neutralization of input terminators, allows an attacker to bypass authentication. This could lead to unauthorized access to the system.
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Bug Depends On: 2496470    
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Description OSIDB Bzimport 2026-07-01 19:02:09 UTC
Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass.

This issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.