What’s Vulnerable › Vulnerabilities
CVE-2026-48921
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-27 · updated 2026-10-14
- Weakness: CWE-59
Description
Jenkins Pipeline: Groovy Libraries Plugin 797.v90ea_a_9b_e45a_0 and earlier does not prohibit symbolic links in shared libraries, allowing attackers able to control the content of a library used by a Pipeline job to read arbitrary files on the Jenkins controller filesystem.
Affected products
- Jenkins Pipeline: Groovy Libraries: before 798.v5cc688825312 — fixed in 798.v5cc688825312
How to fix
Upgrade to a fixed version: Jenkins Pipeline: Groovy Libraries 798.v5cc688825312. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-48921 or the next vulnerability affects your stack