CVE-2026-90936 Froxlor before 2.3.7 Information Disclosure via customer_email.php
Authenticated attackers can enumerate global sender alias IDs and read other customers' allowed sender values due to improper scoping in Froxlor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90936?
CVE-2026-90936 is a medium-severity vulnerability in froxlor, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-90936?
2 open source packages ship an affected version, including froxlor/froxlor.
| Package | Affected | Fixed in |
|---|---|---|
froxlor/froxlor Packagist | All versions | 2.3.7 |
froxlor/froxlor Packagist | All versions | 2.3.7 |
How do I fix CVE-2026-90936?
Upgrade froxlor/froxlor to 2.3.7 or later.
Is CVE-2026-90936 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90936 exists.
Sources
Also known as GHSA-mr9h-45p9-fg8h, GHSA-wc79-h887-58h9.