What is CVE-2025-62712?

CVE-2025-62712 is a critical-severity vulnerability in Fit2cloud Jumpserver, classified under Missing Authorization. CVSS score: 9.6/10. Published 2025-10-30.

How severe is CVE-2025-62712?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Auth bypass in Fit2cloud Jumpserver

CVE-2025-62712

JumpServer is an open source bastion host and an operation and maintenance security audit system. In JumpServer versions prior to v3.10.20-lts and v4.10.11-lts, an authenticated, non-privileged user can retrieve connection tokens belonging…

Vulnerability class: Broken Access Control

EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Fit2cloud Jumpserver
Jumpserver — versions >= 4.0.0, < 4.10.11-lts, < 3.10.20-lts

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-62712?: CVE-2025-62712 is a critical-severity vulnerability in Fit2cloud Jumpserver, classified under Missing Authorization. CVSS score: 9.6/10. Published 2025-10-30.
How severe is CVE-2025-62712?: Critical severity. CVSS v3 base score is 9.6 out of 10.