CVE-2026-86777
AlchemyCMS before 7.4.16 and 8.x before 8.3.6 Missing Authorization on GET /api/nodes
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 9, 2026
- Updated
- Sep 9, 2026
- Reserved
- Sep 8, 2026
Description
AlchemyCMS versions before 7.4.16 and 8.x before 8.3.6 fail to authorize access to the GET /api/nodes endpoint, allowing unauthenticated attackers to retrieve all navigation nodes. Attackers can access the endpoint without authentication to disclose restricted page names, URL paths, and internal URLs from all sites and languages.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
alchemy_cmsAlchemyCMS |
|
References
- GitHub Security Advisory (GHSA-wppq-8h64-w78r)vendor-advisory
- Fix commit (8.3.6)patch
- Fix commit (7.4.16)patch
- Vulnerable Api::NodesController#index at v8.3.5technical-description
- alchemy_cms v8.3.6 Release Notesrelease-notes
- alchemy_cms v7.4.16 Release Notesrelease-notes
- https://github.com/AlchemyCMS/alchemy_cmsproduct
- VulnCheck Advisory: AlchemyCMS before 7.4.16 and 8.x before 8.3.6 Missing Authorization on GET /api/nodesthird-party-advisory
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