GHSA-V2WP-FRMC-5Q3V Lemur: ACME SSRF + creator-equality IDOR lead to AWS IAM/PKI compromise

Lemur 1.9.0: any SSO-authenticated user achieves AWS IAM compromise and permanent PKI key access via ACME acmeurl SSRF and creator-equality IDOR Vulnerability Summary Field | Value -- | -- Title | Lemur 1.9.0: any SSO-authenticated user achieves AWS IAM compromise and permanent PKI key access via...

Credential Exposure

Overview lemur is a Certificate management and orchestration service Affected versions of this package are vulnerable to Credential Exposure due to the improper handling of password updates in the update function. An attacker can obtain plaintext credentials by exfiltrating the users table,...

Server-side Request Forgery (SSRF)

Overview lemur is a Certificate management and orchestration service Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the verifystring process when extracting CRL Distribution Point and OCSP responder URLs from uploaded certificate extensions. An attacker ca...

Incorrect Authorization

Overview lemur is a Certificate management and orchestration service Affected versions of this package are vulnerable to Incorrect Authorization in the StrictRolePermission and AuthorityCreatorPermission process. An attacker can gain unauthorized access to privileged endpoints by authenticating...

PT-2026-52657

Name of the Vulnerable Software and Affected Versions Lemur versions prior to 1.9.0 Description Lemur is a TLS certificate management service that contains a critical authorization break resulting from a chain of three issues. First, the service auto-provisions new SSO identities as active withou...

CVE-2026-44304 Lemur: LDAP Filter Injection enables post-authentication privilege escalation

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...

lemur 注入漏洞

Lemur is an open-source TLS certificate management tool developed by Netflix, Inc. Versions of Lemur prior to 1.9.0 contained a injection vulnerability. This vulnerability stemmed from the LDAP authentication module using uncleaned user input to construct LDAP search filters, which could lead to...