CVE-2026-40039

Pachno 1.0.6 contains an open redirection vulnerability that allows attackers to redirect users to arbitrary external websites by manipulating the return_to parameter. Attackers can craft malicious login URLs with unvalidated return_to values to conduct phishing attacks and steal user credentials.

More information : https://www.vulncheck.com/advisories/pachno-open-redirection-via-return-to-parameter