CVE-2026-124015 Dixell/Copeland XWEB EVO Authentication Bypass via users.lua
Unauthenticated attackers can reset passwords of newly onboarded XWEB EVO accounts and gain an authenticated foothold; operators of these controllers should care.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-124015?
CVE-2026-124015 is a high-severity authentication bypass vulnerability in Copeland XWEB EVO, published on 12 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
XWEB EVO 5.6.2 through 5.8.8 contains an authentication bypass vulnerability that allows unauthenticated attackers to set the password of any account flagged must-reset-at-next-login by exploiting missing session validation in the users.lua update_password action. Attackers can reset the password of newly onboarded operator accounts, clearing the password_expiration flag and gaining an immediately usable authenticated foothold on the system. This product line reached it's end of service date in March 2026.
Weakness: CWE-306
Which versions are affected by CVE-2026-124015?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-124015?
No fix has been published for CVE-2026-124015 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-124015 being exploited?
There is no known exploitation of CVE-2026-124015 in the wild and no public exploit code.
Sources
Also known as GHSA-9jf9-f234-pgj9.