What’s Vulnerable › Vulnerabilities

CVE-2023-27904

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-10 · updated 2026-06-17

Description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier prints an error stack trace on agent-related pages when agent connections are broken, potentially revealing information about Jenkins configuration that is otherwise inaccessible to attackers.

Affected products

• Jenkins: before 2.375.4; before 2.394 — fixed in 2.375.4, 2.394

How to fix

Upgrade to a fixed version: Jenkins 2.375.4, 2.394. Check the vendor advisory for mitigations.

References

• https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-2120
• https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-2120

Get alerted when CVE-2023-27904 or the next vulnerability affects your stack