What’s Vulnerable › Vulnerabilities

CVE-2023-27902

• Severity: medium (CVSS 4.3 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 shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.

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-1807
• https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-1807

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