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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-23966

sm-crypto Affected by Private Key Recovery in SM2-PKE

Description

sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4. A private key recovery vulnerability exists in the SM2 decryption logic of sm-crypto prior to version 0.3.14. By interacting with the SM2 decryption interface multiple times, an attacker can fully recover the private key within approximately several hundred interactions. Version 0.3.14 patches the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

JuneAndGreen sm-crypto

  • < 0.3.14affected

References