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Vulnerabilities

Vulnerability · CVE-2025-62795

JumpServer is an open source bastion host and an operation and maintenance security audit system.

Published Oct 30, 2025 · catalog updated Oct 31, 2025 · JumpServer is an open

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-62795 is not in CISA KEV. FIRST estimates a 29.00% chance of exploitation in the next 30 days. Check whether you run JumpServer is an open.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (JumpServer is an open).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
29.00%
Remediation
Version ranges on file
Affected products
vendor jumpserver jumpserver 4.0.0, < 4.10.12-lts

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor jumpserver jumpserver 4.0.0, < 4.10.12-lts4.0.0, < 4.10.12-lts

How to fix CVE-2025-62795

  • Upgrade

    CVE-2025-62795 lists a fix boundary at 4.10.12-lts. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 4.10.12-lts

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-62795 is not in CISA KEV. FIRST estimates a 29.00% chance of exploitation in the next 30 days. Check whether you run JumpServer is an open.

Which versions are affected?

Compare what you have installed with jumpserver jumpserver 4.0.0, < 4.10.12-lts 4.0.0, < 4.10.12-lts. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 29.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2025 · EUVD

    Detected

    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

  2. Oct 31, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-62795

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-37046

    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/

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026