CVE-2026-112784CWE-862broken-access-control

CVE-2026-112784

Medium · published October 20, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
14.9
In the wild
Unconfirmed
What it is

OpenCATS before 0.10.0 contains a missing authorization vulnerability in ajax/testEmailSettings.php that allows any authenticated user to send mail through the configured SMTP relay. Read-level users can supply testEmailAddress and fromAddress parameters to send the fixed test message to any recipient with a spoofed From address.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00245 · 14.9th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-20T15:17Z
References (5)
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/testEmailSettings.php · [email protected]https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd · [email protected]https://github.com/opencats/OpenCATS/issues/720 · [email protected]https://github.com/opencats/OpenCATS/releases/tag/v0.10.0 · [email protected]https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-ajax-testemailsettings-php · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 20 OCT 10:41Z
    OpenCATS before 0.10.0 Missing Authorization via ajax/testEmailSettings.php
    cvelistv5
  • 20 OCT 10:41Z
    OpenCATS before 0.10.0 Missing Authorization via ajax/testEmailSettings.php
    cvelistv5