CVE-2025-62795

PoC —

CVSS 3.1

7.1 high

EPSS

<1%p19

Published

Oct 30, 2025 (Oct 30, 2025)

Modified

Jun 17, 2026

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.

Vendors: fit2cloud
Products: jumpserver
Weakness: CWE-863
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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