CVE-2026-58025
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-58025 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
An attacker can exploit multiple vulnerabilities in MediaWiki to conduct an unspecified attack, disclose information, execute arbitrary program code, and conduct a cross-site scripting attack.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities to conduct unspecified attacks, disclose information, execute arbitrary program code, and conduct cross-site scripting attacks.
- Who is affected
- Deployments of MediaWiki with the affected versions.
- Urgency
- Remediation is medium urgency as multiple attack vectors are present.
- Action
- Update to the latest version of MediaWiki.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-58025 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (3)
- medium[UPDATE] [medium] MediaWiki: Multiple vulnerabilitiescert-bund · 2026-07-06
- unknownDSA-6380-1 mediawiki - security updatedebian · 2026-07-05
- unknownCVE-2026-58025: Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulner…nvd · 2026-07-01
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-58025)