Auth bypass in Froxlor
CVE-2026-113677
Froxlor from 0.10.0 before 2.3.15 contains a missing authorization vulnerability in the SubDomains.delete API command that allows authenticated customers to delete reseller-provisioned main domains by supplying a main domain id. Attackers can bypass the web UI restriction to remove domains, orphan vhost, DNS and subdomain records, and drive subdomains_used below zero to gain extra subdomain allowance.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/froxlor/froxlor/security/advisories/GHSA-pp2f-frcg-w8rv (vendor-advisory)
- github.com/froxlor/froxlor/commit/078e3f4ba0429390b27baae6aa1cc5d8c9a80010 (patch)
- github.com/froxlor/froxlor/releases/tag/2.3.15 (release-notes)
- github.com/froxlor/froxlor/blob/2.3.14/lib/Froxlor/Api/Commands/SubDomains.php (technical-description)
- www.vulncheck.com/advisories/froxlor-0.10.0-before-2.3.15-missing-authorization… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-113677?
- CVE-2026-113677 is a medium-severity vulnerability in Froxlor, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-20.
- How severe is CVE-2026-113677?
- Medium severity. CVSS v3 base score is 5.4 out of 10.