CVE-2026-81905 Concrete CMS below 9.5.3 does not enforce validation-hash type on redemption, allowing a hash issued for one purpose to be redeemed for another.

Concrete CMS below 9.5.3 stores user validation hashes for multiple purposes email/registration validation, password reset, and persistent login in a single table with a type column, but the redemption path resolves a hash by value alone and does not verify its type. As a result, a hash issued fo...

CVE-2026-81905

Concrete CMS versions below 9.5.3 store user validation hashes (email/registration validation, password reset, persistent login) in a single table with a type column, but the redemption path resolves a hash by value alone without verifying its type . This allows a long-lived registration hash (60...

USN-4247-1 python-apt vulnerabilities

It was discovered that python-apt would still use MD5 hashes to validate certain downloaded packages. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be used to install altered packages. CVE-2019-15795 It was discovered that python-apt could...