CVE-2026-103239

The MISP platform is vulnerable to a privilege escalation flaw in the tag collection creation and editing functionality (versions

CVE-2026-103239 MISP Tag Collection Save Allows Privilege Escalation via Sibling Model Injection

MISP contains a privilege escalation vulnerability in the tag collection creation and editing functionality. The affected actions accepted the full HTTP request payload and passed it to a bulk-association save operation, which writes not only the intended tag collection record but also any...

CVE-2026-103239 MISP Tag Collection Save Allows Privilege Escalation via Sibling Model Injection

MISP contains a privilege escalation vulnerability in the tag collection creation and editing functionality. The affected actions accepted the full HTTP request payload and passed it to a bulk-association save operation, which writes not only the intended tag collection record but also any...