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Protection mechanism failure in Jenkins Email Extension Plugin

Priority MEDIUM 47CWE-693Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-693.

Summary

A sandbox bypass vulnerability exists in Jenkins Email Extension Plugin 2.64 and earlier in pom.xml, src/main/java/hudson/plugins/emailext/ExtendedEmailPublisher.java, src/main/java/hudson/plugins/emailext/plugins/content/EmailExtScript.java, src/main/java/hudson/plugins/emailext/plugins/content/ScriptContent.java, src/main/java/hudson/plugins/emailext/plugins/trigger/AbstractScriptTrigger.java that allows attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM.

Why it matters now

EPSS 0.02439 84th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:email-ext (Maven): 2.65

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Email Extension Pluginup to 2.64—No fix listedCNA
—org.jenkins-ci.plugins:email-ext (Maven)before 2.652.65Patch availableGHSA-qwm8-vgm6-f86p
  • Jenkins Email Extension Plugin VendorJenkins Affected up to 2.64 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:email-ext (Maven) Vendor— Affected before 2.65 Fixed in 2.65 Patch available GHSA-qwm8-vgm6-f86p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*up to 2.64VulnerableJenkins
  • cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:* Versions up to 2.64 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-qwm8-vgm6-f86p org.jenkins-ci.plugins:email-ext (Maven) Fixed in 2.65 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1003032
  2. 2026-10-03 Alias added: GHSA-qwm8-vgm6-f86p

References

  • TI-2023-11037 Protection mechanism failure in Jenkins Email Extension Plugin CVSS 3.1CRITICAL 9.9
  • TI-2026-36179 Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as… CVSS 3.1HIGH 8.8
  • TI-2020-02109 Cleartext transmission of sensitive information in Jenkins Email Extension Plugin CVSS 3.1HIGH 7.5
  • TI-2018-15825 An exposure of sensitive information vulnerability exists in Jenkins Email Extension… CVSS 3.0MEDIUM 6.5
  • TI-2017-01904 Information disclosure in [UNKNOWN] jenkins-email-ext CVSS 3.0MEDIUM 5.3
  • TI-2023-11036 Cross-site scripting in Jenkins Email Extension Plugin CVSS 3.1MEDIUM 5.4
See all 10 →

Sources