XWEB EVO 5.6.2 through 5.8.8 contains an authentication bypass vulnerability that allows unauthenticated attackers to set the password of…
CVE-2026-124015
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 updatepassword action. Attackers can reset the password of newly onboarded operator accounts, clearing the passwordexpiration flag and gaining an immediately usable authenticated foothold on the system. This product line reached it's end of service date in March 2026.
Assessment
- CVSS
- 8.2 (v4.0)
- Severity
- High
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 12 November 2026
- Last updated
- 13 November 2026
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
- https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf
- https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-authentication-bypass-via-users-lua
- https://www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root
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