EUVD-2026-61154

Lemur manages TLS certificate creation. Prior to 1.9.3, validateacmeurl enforced ACMEDIRECTORYHOSTALLOWLIST when an authority was created, but PUT /api/1/authorities/ passed options to lemur/authorities/service.py without applying the same check. A user holding an authority role could replace the...

CVE-2026-55166

A low-privilege SSO-authenticated user chains three flaws in Netflix Lemur prior to 1.9.2: an unfiltered acme_url SSRF to AWS IMDS (CWE-918) exfiltrates worker STS credentials, while a creator-equality IDOR (CWE-639) at certificates/views.py:734 grants permanent private-key access after ownership...