CVE-2026-23965

sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4. A signature forgery vulnerability exists in the SM2 signature verification logic of sm-crypto prior to version 0.4.0. Under default configurations, an attacker can forge valid signatures for...

CVE-2026-23967 sm-crypto Affected by Signature Malleability in SM2-DSA

sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4. A signature malleability vulnerability exists in the SM2 signature verification logic of the sm-crypto library prior to version 0.3.14. An attacker can derive a new valid signature for a...

sm-crypto Affected by Signature Malleability in SM2-DSA

Summary A signature malleability vulnerability exists in the SM2 signature verification logic of the sm-crypto library. An attacker can derive a new valid signature for a previously signed message from an existing signature. Credit This vulnerability was discovered by: - XlabAI Team of Tencent...

GHSA-QV7W-V773-3XQM sm-crypto Affected by Signature Malleability in SM2-DSA

Summary A signature malleability vulnerability exists in the SM2 signature verification logic of the sm-crypto library. An attacker can derive a new valid signature for a previously signed message from an existing signature. Credit This vulnerability was discovered by: - XlabAI Team of Tencent...

Improper Verification of Cryptographic Signature

Overview org.webjars.npm:sm-crypto is a sm-crypto Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the SM2 signature verification process. An attacker can create a new valid signature for a previously signed message by manipulating an existi...

PT-2026-3894

Name of the Vulnerable Software and Affected Versions sm-crypto versions prior to 0.3.14 Description The sm-crypto library, providing JavaScript implementations of Chinese cryptographic algorithms SM2, SM3, and SM4, contains a signature malleability issue in its SM2 signature verification logic. ...