CVE-2026-71322

medium

Description

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 bypassed that check, and the handler still passed cert.private_key as an argument and recorded a key_view audit event. The bundled JavaTruststoreExportPlugin ignored the key, so the immediate exposure was limited to public certificate material and misleading audit entries, but a future plugin could have consumed the supplied key. The fix passes no private key to plugins that do not require one and confines ownership checks and key_view logging to actual private-key exports. This issue is fixed in version 1.9.3.

References

https://github.com/Netflix/lemur/security/advisories/GHSA-4h97-p9wq-chqj

https://github.com/Netflix/lemur/releases/tag/v1.9.3

https://github.com/Netflix/lemur/commit/5683bbea8b10cce07f9a8abf1e4a7d3b2031c585

Details

Source: Mitre, NVD

Published: 2026-08-18

Updated: 2026-08-18

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Medium