lemur
PyPI18 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting lemurpage 1 of 1
- CVE-2015-7764HIGHCVSS 7.5EG 7.5✓ Fixed in 0.2.12017-08-09
Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.
- CVE-2023-30797HIGHCVSS 7.5EG 7.5✓ Fixed in 1.3.22023-04-19
vulnerable: 0.11.0 ... 1.3.1 (9 versions)
Netflix Lemur before version 1.3.2 used insufficiently random values when generating default credentials. The insufficiently random values may allow an attacker to guess the credentials and gain access to resources managed by Lemur.
- CVE-2026-44304HIGHCVSS 8.1EG 8.1✓ Fixed in 1.9.02026-05-12
vulnerable: 0.11.0 ... 1.8.2 (17 versions)
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 inj…
- CVE-2026-44305MEDIUMCVSS 6.8EG 6.8✓ Fixed in 1.9.02026-05-12
vulnerable: 0.11.0 ... 1.8.2 (17 versions)
Lemur manages TLS certificate creation. Prior to 1.9.0, when LDAP TLS is enabled (LDAP_USE_TLS = True), Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a…
- CVE-2026-48508HIGHCVSS 8.8EG 8.8✓ Fixed in 1.9.12026-06-25
vulnerable: 0.11.0 ... 1.9.0 (18 versions)
Lemur manages TLS certificate creation. Prior to 1.9.1, StrictRolePermission and AuthorityCreatorPermission in lemur/auth/permissions.py call flask_principal.Permission.__init__() with zero Need objects when ADMIN_ONLY_AUTHORITY_CREATION a…
- CVE-2026-55162MEDIUMCVSS 6.3EG 6.3✓ Fixed in 1.9.22026-06-25
vulnerable: 0.11.0 ... 1.9.1 (19 versions)
Lemur manages TLS certificate creation. Prior to 1.9.2, lemur/certificates/verify.py accepted CRL Distribution Point and OCSP responder URLs from uploaded certificate extensions and used them in crl_verify and ocsp_verify without adequate …
- CVE-2026-55163MEDIUMCVSS 6.3EG 6.3✓ Fixed in 1.9.22026-06-25
vulnerable: 0.11.0 ... 1.9.1 (19 versions)
Lemur manages TLS certificate creation. Prior to 1.9.2, PUT /api/1/roles/ in lemur/roles/views.py:298 authorized updates with RoleMemberPermission(role_id), which allowed either an administrator or any existing member of the target role. T…
- CVE-2026-55164MEDIUMCVSS 4.9EG 4.9✓ Fixed in 1.9.22026-06-25
vulnerable: 0.11.0 ... 1.9.1 (19 versions)
Lemur manages TLS certificate creation. Prior to 1.9.2, lemur.users.service.update assigned a replacement password directly to users.password, while lemur/users/models.py registered User.hash_password only for the before_insert event. Beca…
- CVE-2026-55165MEDIUMCVSS 4.8EG 4.8✓ Fixed in 1.9.22026-06-25
vulnerable: 0.11.0 ... 1.9.1 (19 versions)
Lemur manages TLS certificate creation. Prior to 1.9.2, the JWT verifier in lemur/auth/service.py:130-137 used fetch_token_header to read header_data["alg"] from an unverified token and passed that attacker-controlled value to decode_with_…
- CVE-2026-55166CRITICALCVSS 9.9EG 9.9✓ Fixed in 1.9.22026-06-25
vulnerable: 0.11.0 ... 1.9.1 (19 versions)
Lemur manages TLS certificate creation. Prior to 1.9.2, authenticated users could influence an ACME authority acme_url without an effective server-side destination restriction and trigger AcmeHandler.setup_acme_client to make backend reque…
- CVE-2026-70666HIGHCVSS 7.4EG 7.4✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, an authority-role member could update acme_url through PUT /api/1/authorities/ without revalidation and direct setup_acme_client_no_retry to an attacker-controlled ACME server. ACME d…
- CVE-2026-70667MEDIUMCVSS 6.3EG 6.3✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, _validate_revocation_url in lemur/certificates/verify.py checked the original CRL or OCSP URL but the later request could reach a different destination. The CRL requests.get call foll…
- CVE-2026-71303HIGHCVSS 7.7EG 7.7✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, _validate_acme_url enforced ACME_DIRECTORY_HOST_ALLOWLIST when an authority was created, but PUT /api/1/authorities/ passed options to lemur/authorities/service.py without applying th…
- CVE-2026-71307HIGHCVSS 7.7EG 7.7✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, GET /api/1/destinations and GET /api/1/destinations/ relied only on authentication while sibling write handlers required admin_permission. DestinationOutputSchema returned raw options…
- CVE-2026-71308HIGHCVSS 8.1EG 8.1✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (19 versions)
Lemur manages TLS certificate creation. From 0.5.0 until 1.9.3, certificate create, upload, and edit requests accepted replaces[] or replacements identifiers that AssociatedCertificateSchema resolved with fetch_objects without a Certificat…
- CVE-2026-71317MEDIUMCVSS 6.5EG 6.5✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, POST /api/1/authorities with type=subca did not require AuthorityPermission on the parent authority when ADMIN_ONLY_AUTHORITY_CREATION was false. AssociatedAuthoritySchema resolved th…
- CVE-2026-71322MEDIUMCVSS 4.3EG 4.3✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, CertificateExport placed its CertificatePermission ownership check inside the plugin.requires_key branch for POST /api/1/certificates//export. A plugin declaring requires_key false by…
- CVE-2026-71417HIGHCVSS 7.3EG 7.3✓ Fixed in 1.9.32026-08-18
vulnerable: 0.11.0 ... 1.9.2 (20 versions)
Lemur manages TLS certificate creation. Prior to 1.9.3, POST /api/1/certificates/upload allowed a non-read-only user to create a duplicate row using another certificate body, authority_id, serial, or external_id without requiring permissio…
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