CVE-2026-86777
mediumAlchemyCMS 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…
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.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-09 10:22
Modified: 2026-09-10 15:53
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/AlchemyCMS/alchemy_cms disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/blob/v8.3.5/app/controllers/alchemy/api/nodes_co... disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/commit/5e2cd16a806c9d2df3eb6e3c889402487e0085b6 disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/commit/9bdb98496d6f17277ed05dd1abc3188f880aa554 disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/releases/tag/v7.4.16 disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/releases/tag/v8.3.6 disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/security/advisories/GHSA-wppq-8h64-w78r disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/alchemycms-before-7.4.16-and-8-x-before-8.3.6-missing... disclosure@vulncheck.com
- https://github.com/AlchemyCMS/alchemy_cms/security/advisories/GHSA-wppq-8h64-w78r 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗