cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing

Summarypkcs7decryptder, pkcs7decryptpem, and pkcs7decryptsmime reported theoutcome of decrypting a RecipientInfo's encryptedKey in severaldistinguishable ways, one of which disclosed the exact length recovered from theRSA operation. The same distinction was also observable by timing. Anapplicatio...

CVE-2025-11750 User Enumeration via Distinct Error Messages in langgenius/dify-web

In langgenius/dify-web version 1.6.0, the authentication mechanism reveals the existence of user accounts by returning different error messages for non-existent and existing accounts. Specifically, when a login or registration attempt is made with a non-existent username or email, the system...

dify security vulnerabilities

dify is an open source LLM application development platform from LangGenius Open Source. A security vulnerability exists in version 1.6.0 of dify, which stems from the authentication mechanism returning different error messages for non-existing and existing accounts, potentially leading to an...