요약
- CVE-2026-23966은(는) sm-crypto (juneandgreen), sm-crypto에 영향을 주는 심각 (CVSS 9.1) 취약점입니다.
- 향후 30일 내 악용 확률(EPSS): 0.23%, 전체 취약점의 14.1%보다 높음.
- 조치: 0.3.14 이상으로 업데이트하세요.
Description
Summary
A private key recovery vulnerability exists in the SM2 decryption logic of sm-crypto. By interacting with the SM2 decryption interface multiple times, an attacker can fully recover the private key within approximately several hundred interactions.
Credit
This vulnerability was discovered by:
- XlabAI Team of Tencent Xuanwu Lab
- Atuin Automated Vulnerability Discovery Engine
NVD 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.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free