How CVE-2026-73570 turns a Zimbra log file into remote code execution
MentionsZimbra
We reproduced the Zimbra command injection vulnerability and found that several public PoCs write a payload Swatchdog never matches, so a failed test looks like a patched server.
Summary from Elastic Security Labs.
Explained
The technology and terms in this story. Learn more
- AttackRemote code execution · RCEA flaw that lets an attacker run their own code on someone else's machine over the network.
- WeaknessCommand injectionGetting an application to run operating-system commands built from attacker input.
- ConceptCVE · Common Vulnerabilities and ExposuresThe public ID system for vulnerabilities, such as CVE-2026-12345, so everyone means the same bug.
Why it was possible
The weaknesses behind this story's CVEs, from each CVE Record.
Vulnerabilities in this story
Severity and exploitation facts from NVD, FIRST, and CISA.
Related coverage
Other sources covering the same vulnerabilities or event.