CVE-2026-82464 pac4j-core before 6.5.6 Open Redirect via Backslash Logout

pac4j-core before 6.5.6 contains an open redirect vulnerability in DefaultLogoutLogic.perform that accepts backslash-prefixed logout redirect targets matching logoutUrlPattern. Attackers can craft logout links with backslash-prefixed external hosts that browsers normalize into network-path...

CVE-2026-75833

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav 2.0's admin-next/API stack before version 1.0.14 contains an open redirect weakness in SsoController::sanitizeReturnTo. The function rejects a literal '//' prefix but does not account for browsers normalizing backslashes to slashes in...

EUVD-2026-60597

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav 2.0's admin-next/API stack before version 1.0.14 contains an open redirect weakness in SsoController::sanitizeReturnTo. The function rejects a literal '//' prefix but does not account for browsers normalizing backslashes to slashes in...

CVE-2026-54326 Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

CVE-2026-10856: URL Redirection to Untrusted Site

A URL validation flaw in the MISP dashboard button widget allowed a crafted relative-looking URL to be accepted as a local path while being interpreted by browsers as an external URL. The validation rejected URLs containing an explicit scheme, host, or user component, but did not reject paths...

Saltcorn: Open Redirect in `POST /auth/login` due to incomplete `is_relative_url` validation (backslash bypass)

Summary Saltcorn validates the post-login dest parameter with a string check that only blocks :/ and //. Because all WHATWG-compliant browsers normalise backslashes \ to forward slashes / for special schemes, a payload such as /\evil.com/path slips through isrelativeurl, is emitted unchanged in t...