PYSEC-2026-809 Flask-Security vulnerable to Open Redirect

This affects all versions of package Flask-Security. When using the getpostlogoutredirect and getpostloginredirect functions, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\evil.com/path. This vulnerability is only...

SUSE CVE-2015-3427

Quassel before 0.12.2 does not properly re-initialize the database session when the PostgreSQL database is restarted, which allows remote attackers to conduct SQL injection attacks via a \ backslash in a message. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4422...

SUSE CVE-2019-3877

A vulnerability was found in modauthmellon before v0.14.2. An open redirect in the logout URL allows requests with backslashes to pass through by assuming that it is a relative URL, while the browsers silently convert backslash characters into forward slashes treating them as an absolute URL. Thi...