CVE-2026-54842 json
WordPress Royal MCP plugin <= 1.4.25 - Broken Access Control vulnerability
published 4mo ago modified 17d ago also EUVD-2026-39387
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Missing Authorization vulnerability in Royal Plugins Royal MCP allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects Royal MCP: from n/a through 1.4.25.
Patch / fix
- Royal Plugins Royal MCP 1.4.26
Is CVE-2026-54842 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Affected products
- Royal Plugins Royal MCP
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
Sources
- CVE List CVE-2026-54842
- NVD CVE-2026-54842
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