CVE-2021-43578

Jenkins Squash TM Publisher (Squash4Jenkins) Plugin 1.0.0 and earlier implements an agent-to-controller message that does not implement any validation of its input, allowing attackers able to control agent processes to replace arbitrary files on the Jenkins controller file system with an attacker-controlled JSON string.

• http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
• https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2525Vendor Advisory
• http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
• https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2525Vendor Advisory

Published

Nov 12, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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