SCA: security update for sm-crypto (GHSA-pgx9-497m-6c4v)

critical Tenable Cloud Security Plugin ID 436870

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2026-23966)

See Also

https://github.com/advisories/GHSA-pgx9-497m-6c4v

Plugin Details

Severity: Critical

ID: 436870

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 1/21/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.59

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-23966

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/21/2026

Vulnerability Publication Date: 1/21/2026

Reference Information

CVE: CVE-2026-23966

cwe: CWE-345