CVE-2026-84695

BookStack versions before 26.05.4 are affected by a stored cross-site scripting (XSS) vulnerability in the drawing upload endpoint , which accepts unvalidated base64 content and stores it without content inspection. Attackers holding editor permissions can upload SVG files containing scripts that...

AZL-81686 CVE-2025-59028 affecting package dovecot 2.3.20-1

When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. Install fixed version or disable concurrency in login processes hea...

ESPHome - Authentication Bypass

ESPHome 2025.8.0 contains an authentication bypass caused by improper validation of base64-encoded Authorization values in the webserver component, letting attackers access functionality without valid credentials, exploit requires crafted Authorization header. id: CVE-2025-57808 info: name: ESPHo...

DEBIAN-CVE-2025-54572

The Ruby SAML library is for implementing the client side of a SAML authorization. In versions 1.18.0 and below, a denial-of-service vulnerability exists in ruby-saml even with the messagemaxbytesize setting configured. The vulnerability occurs because the SAML response is validated for Base64...

UBUNTU-CVE-2025-54572

The Ruby SAML library is for implementing the client side of a SAML authorization. In versions 1.18.0 and below, a denial-of-service vulnerability exists in ruby-saml even with the messagemaxbytesize setting configured. The vulnerability occurs because the SAML response is validated for Base64...