CVE-2026-46715: Flask-Security-Too >= 5.8.0, < 5.8.1

Affected technology

Flask-Security-Too · >= 5.8.0, < 5.8.1
pallets-eco

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

If an attacker can operate an already-authenticated but stale victim session, they can complete OAuth verification using their own OAuth identity. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and availability impact as none; integrity impact as low.