Improper Certificate Validation Affecting lemur package, versions [,1.9.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-LEMUR-16624714
- published10 May 2026
- disclosed6 May 2026
- creditkuranikaran
Introduced: 6 May 2026
NewCVE-2026-44305 (opens in a new tab)How to fix?
Upgrade lemur to version 1.9.0 or higher.
Overview
lemur is a Certificate management and orchestration service
Affected versions of this package are vulnerable to Improper Certificate Validation in the ldap process. An attacker can intercept authentication credentials and modify LDAP responses by performing a man-in-the-middle attack between the application and the LDAP server. This is only exploitable if LDAP TLS is enabled (LDAP_USE_TLS = True).