High 7.1Published Sep 26, 2026

CVE-2026-100708Froxlor before 2.3.13 Private Key Disclosure via Certificates API

Updated under an hour ago (2026-10-19 07:10 UTC)

Does this affect you?

It affects froxlor. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.13%, higher than 2% of scored CVEs.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for froxlor

Exploited in the last 30 days

Froxlor before 2.3.13 returns the ssl_key_file column — which stores the raw PEM TLS private-key content — verbatim in the JSON responses of the Certificates.get and Certificates.listing API commands, because the results of the underlying domain_ssl_settings queries are passed through ApiCommand::response() without any field stripping or allowlist. A low-privileged authenticated customer API caller can retrieve the private keys of their own domains' certificates, including Let's Encrypt keys that Froxlor generates server-side and stores root-only (0600) and to which the customer otherwise has no filesystem access; reseller and customers_see_all admin accounts can dump the private keys of other principals through the same sink. Disclosed keys enable domain impersonation, passive decryption of captured TLS traffic, and active machine-in-the-middle attacks.

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.13% (percentile 2)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

froxlor froxlor froxlor:froxlor (from the name)	before 2.3.13; 2.3.13 not affected	CNA record

References

https://github.com/froxlor/froxlor/security/advisories/GHSA-6q2v-jjq5-m2c8vendor-advisory
https://www.vulncheck.com/advisories/froxlor-before-2.3.13-private-key-disclosure-via-certificates-apithird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.