The vulnerability of the sjcl.ecc.basicKey.publicKey() function in the SJCL cryptographic library (Stanford JavaScript Crypto Library) allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the sjcl.ecc.basicKey.publicKey function in the SJCL Stanford JavaScript Crypto Library is related to the absence of a necessary encryption step. Exploiting this vulnerability could allow an attacker, operating remotely, to gain unauthorized access to protected information...

CVE-2026-4258: Improper Verification of Cryptographic Signature

Versions of the package sjcl before 1.0.9 are vulnerable to Improper Verification of Cryptographic Signature due to missing point-on-curve validation in sjcl.ecc.basicKey.publicKey. An attacker can recover a victim's ECDH private key by sending crafted off-curve public keys and observing ECDH...