What is CVE-2025-58044?

CVE-2025-58044 is a medium-severity vulnerability in Fit2cloud Jumpserver, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2025-12-01.

How severe is CVE-2025-58044?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Fit2cloud Jumpserver

CVE-2025-58044

JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.19 and v4.10.5, The /core/i18n// endpoint uses the Referer header as the redirection target without proper validation, which could lead to an Open Redirect vulnerability. This vulnerability is fixed in v3.10.19 and v4.10.5.

Vulnerability class: Open Redirect

Published 2025-12-01 · last modified 2026-10-19.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.6th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Fit2cloud Jumpserver
Jumpserver — versions < 3.10.19, >= 4.0.0, < 4.10.5

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

github.com/jumpserver/jumpserver/security/advisories/GHSA-h762-mj7p-jwjq (Patch, Vendor Advisory)
github.com/jumpserver/jumpserver/commit/36ae076cb021f16d2053a63651bc16d15a3ed53b (Patch)

Frequently asked questions

What is CVE-2025-58044?: CVE-2025-58044 is a medium-severity vulnerability in Fit2cloud Jumpserver, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2025-12-01.
How severe is CVE-2025-58044?: Medium severity. CVSS v3 base score is 6.1 out of 10.