CVE-2026-121434
Medium · 5.4CVSS
5.4
EPSS
0.2%
Published
Nov 3, 2026
CISA due date
—
The record
Froxlor 2.3.0 before 2.3.15 contains a missing authorization check in the Certificates.add and Certificates.update API commands, which do not verify whether a domain's certificate is Let's Encrypt-managed. Customers with API access can overwrite the managed certificate and private key with an attacker-chosen pair, which a REBUILD_VHOST task deploys to the webserver, breaking HTTPS and desynchronizing ACME automation.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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