Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Wikimedia Foundation | MediaWiki Wikibase extension | 1.46, 1.45, 1.43 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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BomboBombone/CVE-2026-103441 ★ 0 · Sep 30, 2026
Sanitized report summary and local PoC for CVE-2026-103441
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-3693 MediaWiki Extensions: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 30, 2026