Security Advisory

CVE-2026-44304

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-12 21:27:28

Last updated 2026-05-14 12:33:51

Assigner GitHub_M

CVSS score 8.1

State PUBLISHED

Description

Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module (lemur/auth/ldap.py) constructs LDAP search filters using unsanitized user input via Python string interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field to manipulate group membership queries and escalate their privileges to administrator. This vulnerability is fixed in 1.9.0.

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