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An exposure of sensitive information vulnerability exists in Jenkins Email Extension…

Priority LOW 31CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

An exposure of sensitive information vulnerability exists in Jenkins Email Extension Plugin 2.61 and older in src/main/resources/hudson/plugins/emailext/ExtendedEmailPublisher/global.groovy and ExtendedEmailPublisherDescriptor.java that allows attackers with control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured SMTP password.

Why it matters now

EPSS 0.0097 62nd percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:email-ext (Maven): 2.62

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.jenkins-ci.plugins:email-ext (Maven)before 2.622.62Patch availableGHSA-gwxm-wqpq-w539
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:email-ext (Maven) Vendor— Affected before 2.62 Fixed in 2.62 Patch available GHSA-gwxm-wqpq-w539

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*up to 2.61VulnerableJenkins
  • cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:* Versions up to 2.61 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-gwxm-wqpq-w539 org.jenkins-ci.plugins:email-ext (Maven) Fixed in 2.62 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000176
  2. 2026-10-03 Alias added: GHSA-gwxm-wqpq-w539

References

  • TI-2019-15877 Protection mechanism failure in Jenkins Email Extension Plugin CVSS 3.1CRITICAL 9.9
  • 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-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