Information disclosure in Froxlor
CVE-2026-90936
Froxlor before 2.3.7 fails to properly scope sender alias lookups to the current customer in customer_email.php. Authenticated attackers can enumerate global sender alias IDs and read other customers' allowed sender values by supplying arbitrary senderid parameters in delete confirmation requests.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h (vendor-advisory)
- www.vulncheck.com/advisories/froxlor-before-2.3.7-information-disclosure-via-cu… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90936?
- CVE-2026-90936 is a medium-severity vulnerability in Froxlor, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-09-14.
- How severe is CVE-2026-90936?
- Medium severity. CVSS v3 base score is 4.3 out of 10.