CVE-2026-86777

MEDIUM CVSS 4.0: 6.9 EPSS 0.56%
Updated Sep 10, 2026
Alchemy-Cms
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions 8.0.0 — 8.3.6
Fixed In 7.4.16
Type CWE-862 (Missing Authorization)
Vendor Alchemy-Cms
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Alchemy-Cms Alchemy_Cms
cpe:2.3:a:alchemy-cms:alchemy_cms:*:*:*:*:*:*:*:*
— 7.4.16
Alchemy-Cms Alchemy_Cms
cpe:2.3:a:alchemy-cms:alchemy_cms:*:*:*:*:*:*:*:*
8.0.0 8.3.6

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