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...

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...