Inadequate Encryption Strength

Overview altcha is a Privacy-first CAPTCHA widget, compliant with global regulations GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL and WCAG accessible. No tracking, self-verifying. Affected versions of this package are vulnerable to Inadequate Encryption Strength in the Proof of Work obfuscation scheme. An...

CVE-2025-65849: Use of a Broken or Risky Cryptographic Algorithm

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...