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Back to active CVEs
Medium · CVSS 6.9CVE-2026-116890

Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask APICVE-2026-116890

Answer in brief

CVE-2026-116890 records a Medium severity (CVSS 6.9) vulnerability in Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API. The current sources do not mark it as known exploited. The current feed maps SemanticMediaWiki/SemanticMediaWiki (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 Oct 27, 2026Updated Oct 27, 2026Source checked Oct 27, 2026First seen by HOL Oct 27, 2026Material review Oct 27, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.9. 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 SemanticMediaWiki/SemanticMediaWiki (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SemanticMediaWiki/SemanticMediaWikigeneric>=3.0.0 <7.3.07.3.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SemanticMediaWiki/SemanticMediaWiki.
  2. 2Review the reported fix. Update SemanticMediaWiki/SemanticMediaWiki to 7.3.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 27, 2026

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

  2. Source modified

    Oct 27, 2026

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

  3. First seen by HOL

    Oct 27, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSRF token to read internal store statistics, enqueue jobs like smw.entityIdDisposer, and execute queued jobs, degrading performance and altering semantic data.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Semantic MediaWiki 3.0.0 before 7.3.1 Uncontrolled Recursion via Special:AskSame semanticmediawiki/semanticmediawiki package
  • Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact FiltersSame semanticmediawiki/semanticmediawiki package
  • Semantic MediaWiki 7.3.0 Missing Authorization via smwtask API run-joblist and updateSame semanticmediawiki/semanticmediawiki package
  • SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via JsonResultPrinter Default ParameterSame semanticmediawiki/semanticmediawiki package
  • SemanticMediaWiki 3.0.0 before 7.3.1 Reflected XSS via Special:Ask Separator ParametersSame semanticmediawiki/semanticmediawiki package
  • Semantic MediaWiki 2.5.0 before 7.3.1 Missing Authorization via Is edit protectedSame semanticmediawiki/semanticmediawiki package

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-862
Source
CVE List V5
Source checked
Oct 27, 2026
References
2 linked sources
Open source record