CVE-2026-44304
HIGH
8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Description
AI Translation Available
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.
90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Read Application Data
Modify Application Data
Applicable Platforms
Technologies:
Database Server
https://github.com/Netflix/lemur/security/advisories/GHSA-3r34-vq8m-39gh