CVE-2026-34094

LOWNVD 3.83.8—

3.8

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.

CVSS v3: 3.8
EG Score: 3.8(high)
EPSS: 10.0%
KEV: Not listed

Published

May 11, 2026

Last Modified

May 18, 2026

References (1)

c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T416090

Vendor Advisories for CVE-2026-34094(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-g863-m67x-whh5
GitHub Security AdvisoriesLow
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-668Exposure of Resource to Wrong Sphere

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 13:15 UTCEG score recompute
2026-05-20 13:15 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-34094?

CVE-2026-34094 is a low vulnerability published on May 11, 2026. 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.

When was CVE-2026-34094 disclosed?

CVE-2026-34094 was first published in the National Vulnerability Database on May 11, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-34094 actively exploited?

CVE-2026-34094 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-34094?

CVE-2026-34094 has a CVSS v3 base score of 3.8 (NVD).

How do I remediate CVE-2026-34094?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34094, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-34094

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-34094(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)