What is CVE-2026-34094?

CVE-2026-34094 is a low-severity vulnerability in Mediawiki, classified under Exposure of Resource to Wrong Sphere. CVSS score: 3.8/10. Published 2026-05-11.

How severe is CVE-2026-34094?

Low severity. CVSS v3 base score is 3.8 out of 10.

Vulnerability in Mediawiki

CVE-2026-34094

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

EPSS: 0.000 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mediawiki
Wikimedia Foundation Mediawiki

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34094?: CVE-2026-34094 is a low-severity vulnerability in Mediawiki, classified under Exposure of Resource to Wrong Sphere. CVSS score: 3.8/10. Published 2026-05-11.
How severe is CVE-2026-34094?: Low severity. CVSS v3 base score is 3.8 out of 10.