CVE-2026-126566
Last modified
CVE-2026-126566 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Semantic MediaWiki 7.3.1 before 7.4.1 contains an incorrect authorization vulnerability in EditProtectionUpdater::userMayChangeProtection() that checks protection changes against the page's latest revision author. Editors can add {{#set:Is edit protected=false}} to a transcluded template, removing administrator edit and move protection logged under the administrator's name.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
Semantic MediaWiki 7.3.1 before 7.4.1 contains an incorrect authorization vulnerability in EditProtectionUpdater::userMayChangeProtection() that checks protection changes against the page's latest revision author. Editors can add {{#set:Is edit protected=false}} to a transcluded template, removing administrator edit and move protection logged under the administrator's name.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| SemanticMediaWiki | SemanticMediaWiki | >= 7.3.1, < 7.4.1 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-126566?
How severe is CVE-2026-126566?
How do I fix CVE-2026-126566?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-126560Semantic MediaWiki 3.0.0 before 7.4.1 contains a stored cros…5.4
- CVE-2026-126561Semantic MediaWiki 2.5.0 before 7.4.1 contains a missing aut…7.1
- CVE-2026-126562Semantic MediaWiki 3.0.0 before 7.4.1 contains an uncontroll…4.3
- CVE-2026-126563Semantic MediaWiki 2.4.0 before 7.4.1 contains a reflected c…6.1
- CVE-2026-126564Semantic MediaWiki 2.5.0 before 7.4.1 contains a stored cros…5.4
- CVE-2026-126565Semantic MediaWiki 3.0.0 before 7.4.1 contains a denial of s…4.3
- CVE-2026-126567Semantic MediaWiki 3.0.0 before 7.4.1 contains a stored cros…5.4
- CVE-2026-126569Mbin 1.2.1 before 1.11.1 contains a stored cross-site script…5.4
- CVE-2026-12657The LatePoint – Calendar Booking Plugin for Appointments and…5.3
- CVE-2026-126570Padloc 4.0.0 before 4.3.1 contains a prototype pollution vul…7.6
- CVE-2026-126571Padloc 4.0.0 before 4.3.1 contains an authentication bypass …4.8
- CVE-2026-12659A denial-of-service security issue exists in the affected pr…8.7
Are you affected by CVE-2026-126566?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST