Semantic MediaWiki from 7.3.0 before 7.3.1 contains a missing authorization vulnerability in the smwtask update task
Source GCVE Database
Not known to be exploited · CVSS 6.9 Medium : upgrade to 7.3.1 when convenient.
Data as of 27 Oct 2026, 13:29 UTC
- Patch
- Available – fixed in 7.3.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade SemanticMediaWiki and semanticmediawiki/SemanticMediaWiki to 7.3.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SemanticMediaWikiSemanticMediaWiki | Affected
| Fixed in
|
GitHubsemanticmediawiki/SemanticMediaWikipkg:github/semanticmediawiki/SemanticMediaWikiOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict edit permissions to trusted users only to reduce risk.
Description
Semantic MediaWiki versions from 7.3.0 up to but not including 7.3.1 have a missing authorization vulnerability in the smwtask update task. This flaw allows users with edit rights to force semantic updates on arbitrary pages, potentially causing resource-intensive operations and unauthorized semantic-store writes.
References
- github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-6wrc-864f-6vqp (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-116879 (opens in a new tab)
- github.com/SemanticMediaWiki/SemanticMediaWiki/commit/cba0541d1f931e5c5440a483790dd7c3dec1751d (opens in a new tab)
- vulncheck.com/advisories/semantic-mediawiki-7.3.0-before-7.3.1-missing-authorization-via-smwtask-update-task (opens in a new tab)