4.3

CVE-2025-27095

Exploit

JumpServer has a Kubernetes Token Leak Vulnerability

JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to 4.8.0 and 3.10.18, an attacker with a low-privileged account can access the Kubernetes session feature and manipulate the kubeconfig file to redirect API requests to an external server controlled by the attacker. This allows the attacker to intercept and capture the Kubernetes cluster token. This can potentially allow unauthorized access to the cluster and compromise its security. This vulnerability is fixed in 4.8.0 and 3.10.18.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Fit2cloud ≫ Jumpserver Version < 3.10.18
Fit2cloud ≫ Jumpserver Version >= 4.0.0 < 4.8.0
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.29% 0.2
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-266 Incorrect Privilege Assignment

A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

https://github.com/jumpserver/jumpserver/security/advisories/GHSA-5q9w-f4wh-f535
Vendor Advisory
Exploit