PT-2026-103349 · Wikimedia Foundation · Wikibase Extension For Mediawiki

Marco Paciaroni

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CVE-2026-103441

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Published

2026-09-30

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Updated

2026-09-30

CVSS v4.0

7.2

High

VectorAV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:I/V:C/RE:M/U:Red
Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files.
This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43.

Fix

Deserialization of Untrusted Data

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Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-103441

Affected Products

Wikibase Extension For Mediawiki