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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2026-44304

Lemur: LDAP Filter Injection enables post-authentication privilege escalation

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Netflix lemur

  • < 1.9.0affected

References