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Fencer Vulns
medium 6.1

CVE-2025-58044 json

JumpServer has an Open Redirect Vulnerability

published 2025-12-01 11 mo ago modified 2026-10-19 21 d ago also EUVD-2025-200086

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

  • fit2cloud jumpserver 3.10.19, 4.10.5
  • fit2cloud koko 3.10.19, 4.10.5

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template JumpServer - Open Redirect via Referer Header nuclei detection template

CVSS scores

assigned by version score vector
CNA 4.0 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:P
CNA 4.0 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • jumpserver jumpserver

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.