TI-2019-15864 Aliases CVE-2019-1003019 GHSA-mcqx-wc2j-qx9v

Session fixation in Jenkins GitHub Authentication Plugin

LOW 28CWE-384Published 2019-02-06 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Spoofing
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-384.

Summary

An session fixation vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm.java that allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.

Why it matters now

EPSS 0.00852 58th percentileScored 2026-11-07

Fix Fixed org.jenkins-ci.plugins:github-oauth (Maven): 0.31

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins GitHub Authentication Plugin	up to 0.29	—	No fix listed	CNA
—	org.jenkins-ci.plugins:github-oauth (Maven)	before 0.31	0.31	Patch available	GHSA-mcqx-wc2j-qx9v

Jenkins GitHub Authentication Plugin VendorJenkins Affected up to 0.29 Fixed in — No fix listed CNA
org.jenkins-ci.plugins:github-oauth (Maven) Vendor— Affected before 0.31 Fixed in 0.31 Patch available GHSA-mcqx-wc2j-qx9v

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:github_oauth::::::jenkins::*	up to 0.29	Vulnerable	Jenkins

cpe:2.3:a:jenkins:github_oauth:*:*:*:*:*:jenkins:*:* Versions up to 0.29 Vulnerable ·Jenkins

Remediation

Fix · GHSA-mcqx-wc2j-qx9v org.jenkins-ci.plugins:github-oauth (Maven) Fixed in 0.31 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2019-1003019
2026-10-03 Alias added: GHSA-mcqx-wc2j-qx9v

References

Advisory 2

Other 2

TI-2019-15863 Information disclosure in Jenkins GitHub Authentication Plugin CVSS 3.0MEDIUM 4.3

Sources

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