Linux · 
Debian · Security advisory · May 15, 2026
Debian · Security advisory · May 15, 2026DEBIAN-CVE-2026-34087: mediawiki security update
DEBIAN-CVE-2026-34087, released May 15, 2026, fixes 1 CVE in mediawiki. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0027
18th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| mediawiki | Debian 12.15 (bookworm) | 1:1.39.17-1+deb12u2 |
| mediawiki | Debian 13.5 (trixie) | 1:1.43.8+dfsg-1~deb13u1 |
| mediawiki | Debian 14 | 1:1.43.8+dfsg-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-34087 | mediawiki: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth | 7.5 | 0.0027 | None reported |
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