Description
Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subject parameter for a restricted page to trigger forced reparsing, semantic-store writes, and resource-intensive dependency work.
Published: 2026-10-27
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 04 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 27 Oct 2026 10:45:00 +0000

Type Values Removed Values Added
Description Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task that allows users with edit rights to force semantic updates on arbitrary pages. Attackers can supply a serialized subject parameter for a restricted page to trigger forced reparsing, semantic-store writes, and resource-intensive dependency work.
Title Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task
First Time appeared Semantic-mediawiki
Semantic-mediawiki semantic Mediawiki
Weaknesses CWE-862
CPEs cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:*:*:*:*:*:mediawiki:*:*
Vendors & Products Semantic-mediawiki
Semantic-mediawiki semantic Mediawiki
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Semantic-mediawiki Semantic Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-04T16:08:12.633Z

Reserved: 2026-10-27T01:00:42.501Z

Link: CVE-2026-116879

cve-icon Vulnrichment

Updated: 2026-11-04T16:07:53.015Z

cve-icon NVD

Status : Modified

Published: 2026-10-27T11:17:29.970

Modified: 2026-11-04T16:17:43.747

Link: CVE-2026-116879

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T13:15:02Z

Weaknesses