CVE-2026-107640: Integrics Enswitch 3.13 through 4.4 Authentication Bypass via Password Reset API

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-08
Weakness: CWE-640

Description

Integrics Enswitch 3.13 through 4.4 contains an authentication bypass vulnerability in /api/json/user/password/update/ that allows unauthenticated attackers to change account passwords by omitting the reset parameter. Attackers can target accounts with no pending reset, whose empty reset_key matches the defaulted empty value, to take over administrator accounts after enumerating valid usernames.

Affected products

Integrics Enswitch: from 3.13 through 4.4

References

https://www.enablesecurity.com/advisories/ES2026-06-enswitch-password-reset-bypass/
https://www.integrics.com/enswitch/
https://www.vulncheck.com/advisories/integrics-enswitch-3.13-through-4.4-authentication-bypass-via-password-reset-api

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