Copeland
Dixell/Copeland XWEB EVO Pre-Auth OS Command Injection via Username
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-124002Critical9.8
Black Shard's team can check your exposure to CVE-2026-124002 and take the fix off your plate.
XWEB EVO versions 5.2.3 through before 5.7.0 contains a pre-authentication OS command injection vulnerability that allows unauthenticated remote attackers to execute arbitrary OS commands by injecting shell metacharacters into the username field of login.lua, cleanout.lua, or api.lua before the password check occurs. Attackers can exploit this flaw combined with the setuid-root wlua interpreter to execute commands with root privileges, achieving full system compromise. This product line reached it's end of service date in March 2026.
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Severity
9.8of 10, critical
Updated 13 Nov 2026, 11:29 UTC, 29 of 36 sources answering.
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