Description
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.
Affected products
fit2cloud: jumpserver
References2
- github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-… ExploitVendor Advisory
- github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-… ExploitVendor Advisory
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - EPSS — exploit probability
- 0% percentile: 21 · as of 10 November 2026
- CWE
- CWE-863
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