Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Overview hfs is a HTTP File Server Affected versions of this package are vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator PRNG via predictable randomness in the authentication/session handling code in src/index.ts and src/api.auth.ts. An attacker can forge an administrat...

CVE-2026-61500 Rejetto HFS < 3.2.1 Session Forgery via Predictable Signing Key

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...