JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.21-lts and v4.10.12-lts, a low-privileged authenticated user can invoke LDAP configuration tests and start LDAP synchronization by sending crafted messages to the /ws/ldap/ WebSocket endpoint, bypassing authorization checks and potentially exposing LDAP credentials or causing unintended sync operations. This vulnerability is fixed in v3.10.21-lts and v4.10.12-lts.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-256g-m822 Exploit, Vendor Advisory
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-256g-m822 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.1 · fit2cloudNVD modified 2026-10-19 13:10
Affected (CPE criteria) 1
cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
References 2
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-256g-m822 Exploit, Vendor Advisory
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-256g-m822 Exploit, Vendor Advisory