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  4. CVE 2026 103048 open redirect in specialbook
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Back to active CVEs
Medium · CVSS 6.1CVE-2026-103048

Open Redirect in Special:BookCVE-2026-103048

Answer in brief

CVE-2026-103048 records a Medium severity (CVSS 6.1) vulnerability in Open Redirect in Special:Book. The current sources do not mark it as known exploited. The current feed maps The Wikimedia Foundation/Mediawiki - Collection extension (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 29, 2026Updated Oct 1, 2026Source checked Nov 14, 2026First seen by HOL Sep 29, 2026Material review Oct 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps The Wikimedia Foundation/Mediawiki - Collection extension (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
The Wikimedia Foundation/Mediawiki - Collection extensiongeneric>=0 <1.46.1 1.45.5 1.43.101.46.1, 1.45.5, 1.43.10, 1.46.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for The Wikimedia Foundation/Mediawiki - Collection extension.
  2. 2Review the reported fix. Update The Wikimedia Foundation/Mediawiki - Collection extension to 1.46.1, 1.45.5, 1.43.10 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 29, 2026

Sources and claim methodology

  • Source referencegerrit.wikimedia.org
  • Source referencephabricator.wikimedia.org
Upstream source description

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data. This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-601
Source
CVE List V5
Source checked
Nov 14, 2026
References
2 linked sources
Open source record