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TI-2026-26416 Aliases CVE-2026-34094GHSA-g863-m67x-whh5

Exposure of resource to wrong sphere in Wikimedia Foundation MediaWiki

Priority LOW 10CWE-668Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Passive
Attack complexity
High
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-668 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0017 6th percentileScored 2026-11-07
Fix Fixed MediaWiki (Wikimedia Foundation): 1.43.7, 1.44.4, 1.45.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wikimedia FoundationMediaWikibefore 1.43.7, 1.44.4, 1.45.21.43.7, 1.44.4, 1.45.2Patch availableCNA
  • MediaWiki VendorWikimedia Foundation Affected before 1.43.7, 1.44.4, 1.45.2 Fixed in 1.43.7, 1.44.4, 1.45.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*before 1.43.7; 1.44.0 to before 1.44.4; 1.45.0 to before 1.45.2Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.43.7; 1.44.0 to before 1.44.4; 1.45.0 to before 1.45.2 Vulnerable ·mediawiki

Remediation

  • Fix · CNA MediaWiki (Wikimedia Foundation) Fixed in 1.43.7, 1.44.4, 1.45.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Wikimedia Foundation MediaWiki 1.43.7, 1.44.4, 1.45.2

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-26413 User localization leaked by AbuseFilter + EventStreamPriority LOW 31
    • TI-2026-26414 Block UI elements in 'tools'-sidebar shows presence of an autoblocked IPPriority LOW 11
    • TI-2026-26410 RecentChanges entries expose suppressed content via generated log page htmlPriority LOW 8
    Show all 6 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34094
  2. 2026-10-03 Alias added: GHSA-g863-m67x-whh5

References

Patch 1

  • TI-2025-11006 The compare API module breaks Extension:Lockdown CVSS 4.0CRITICAL 10.0
  • TI-2024-32110 Backticks can allow the usage of not-allowed SQL functions CVSS 4.0HIGH 8.8
  • TI-2026-65500 Unauthenticated SQL injection in UserPageViewTracker via filterusers and ignoreusers parameters CVSS 3.1HIGH 7.5
  • TI-2026-64588 DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion) CVSS 3.1HIGH 7.5
  • TI-2026-42112 SQLi in Cargo extension via year range filter CVSS 4.0MEDIUM 6.9
  • TI-2026-42110 Stored XSS through Cargo's map format CVSS 4.0MEDIUM 6.9
See all 255 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences