| Name | CVE-2026-58026 |
| Description | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Parser/Parser.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6380-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mediawiki (PTS) | bullseye | 1:1.35.13-1+deb11u2 | vulnerable |
| bullseye (security) | 1:1.35.13-1+deb11u7 | vulnerable | |
| bookworm, bookworm (security) | 1:1.39.17-1+deb12u2 | vulnerable | |
| trixie | 1:1.43.8+dfsg-1~deb13u1 | vulnerable | |
| trixie (security) | 1:1.43.9+dfsg-1~deb13u1 | fixed | |
| forky, sid | 1:1.43.9+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mediawiki | source | trixie | 1:1.43.9+dfsg-1~deb13u1 | DSA-6380-1 | ||
| mediawiki | source | (unstable) | 1:1.43.9+dfsg-1 |
http://phabricator.wikimedia.org/T299359
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306214 (master)
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306311 (REL1_43)