CVE-2026-103442: MergeAccount PHP object injection via session-key substitution
The Wikimedia Foundation · MediaWiki CentralAuth extension
Affected: The Wikimedia Foundation MediaWiki CentralAuth extension · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 20% of scored CVEs
DescriptionCVE.org
External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection. This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- The Wikimedia Foundation · MediaWiki CentralAuth extension1.46; 1.45; 1.43
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- The Wikimedia Foundation
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-103442 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.