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TI-2026-36180 Aliases CVE-2026-48921GHSA-qjq3-wqj5-g37q

Link following in Jenkins Pipeline: Groovy Libraries Plugin

Priority LOW 35CWE-59Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00289 21st percentileScored 2026-11-07
Fix Partial io.jenkins.plugins:pipeline-groovy-lib (Maven): 798.v5cc688825312Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Pipeline: Groovy Libraries Pluginup to 797.v90ea_a_9b_e45a_0—No fix listedCNA
—io.jenkins.plugins:pipeline-groovy-lib (Maven)before 798.v5cc688825312798.v5cc688825312Patch availableGHSA-qjq3-wqj5-g37q
  • Jenkins Pipeline: Groovy Libraries Plugin VendorJenkins Affected up to 797.v90ea_a_9b_e45a_0 Fixed in — No fix listed CNA
  • io.jenkins.plugins:pipeline-groovy-lib (Maven) Vendor— Affected before 798.v5cc688825312 Fixed in 798.v5cc688825312 Patch available GHSA-qjq3-wqj5-g37q

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:pipeline\:_groovy_libraries:*:*:*:*:*:*:*:*_groovy_librariesVulnerableJenkins
  • cpe:2.3:a:jenkins:pipeline\:_groovy_libraries:*:*:*:*:*:*:*:* Versions _groovy_libraries Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-qjq3-wqj5-g37q io.jenkins.plugins:pipeline-groovy-lib (Maven) Fixed in 798.v5cc688825312 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Developer Tools and ServicesAffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48921
  2. 2026-10-03 Alias added: GHSA-qjq3-wqj5-g37q

References

Advisory 2

Other 1

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15846 A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.61 and earlier in… CVSS 3.1HIGH 8.8
  • TI-2019-15847 A sandbox bypass vulnerability exists in Pipeline: Declarative Plugin 1.3.3 and earlier… CVSS 3.1HIGH 8.8
  • TI-2023-11034 Cross-site scripting in Jenkins Pipeline: Build Step Plugin CVSS 3.1MEDIUM 5.4
  • TI-2019-15886 A sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin 2.64 and earlier allows… CVSS 3.1CRITICAL 9.8
  • TI-2022-21197 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin CVSS 3.1CRITICAL 9.9
See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences