CVE-2025-32754: ssh-agent Weak RNG — Fix

Description

In jenkins/ssh-agent Docker images 6.11.1 and earlier, SSH host keys are generated on image creation for images based on Debian, causing all containers based on images of the same version use the same SSH host keys, allowing attackers able to insert themselves into the network path between the SSH client (typically the Jenkins controller) and SSH build agent to impersonate the latter.

Is your site exposed to CVE-2025-32754?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-338 CWE-338

Affected Products

Vendor	Product	Versions
jenkins	ssh-agent	< 6.11.2

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2025-04-10/#SECURITY-3565

Frequently Asked Questions

What is CVE-2025-32754? +

In jenkins/ssh-agent Docker images 6.11.1 and earlier, SSH host keys are generated on image creation for images based on Debian, causing all containers based on images of the same version use the same SSH host keys, allowing attackers able to insert themselves into the network path between the SSH client (typically the Jenkins controller) and SSH build agent to impersonate the latter. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2025-32754? +

CVE-2025-32754 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-32754? +

CVE-2025-32754 affects products from jenkins, specifically: ssh-agent. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-32754? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-8169

ExtremeXOS (EXOS) uses a challenge-response mechanism to authorize access to the privileged debug-mode function. The challenge value is generated using …

CVE-2025-54883

Vision UI is a collection of enterprise-grade, dependency-free modules for modern web projects. In versions 1.4.0 and below, the getSecureRandomInt …

CVE-2025-26379

Use of a weak pseudo-random number generator, which may allow an attacker to read or inject encrypted PowerG packets.

CVE-2026-11347

The linqi application contains hardcoded cryptographic keys. Additionally, the application uses a weak algorithm with a limited ASCII charset to …

CVE-2026-64798

Joomla Extension - regularlabs.com - Insecure login URL keys in IP login extension - Persistent URL login keys were also …

CVE-2026-42155

Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform …

CVE-2025-32754