CVE-2026-23966

{"id": "CVE-2026-23966", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23966", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-22T15:44:28.115494Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "JuneAndGreen", "product": "sm-crypto", "versions": [{"status": "affected", "version": "< 0.3.14"}]}]}], "published": "2026-01-22T03:15:47.007", "references": [{"url": "https://github.com/JuneAndGreen/sm-crypto/commit/b1c824e58fdf1eaa73692c124a095819a8c45707", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/JuneAndGreen/sm-crypto/security/advisories/GHSA-pgx9-497m-6c4v", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-345"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "sm-crypto proporciona implementaciones de JavaScript de los algoritmos criptogr\u00e1ficos chinos SM2, SM3 y SM4. Existe una vulnerabilidad de recuperaci\u00f3n de clave privada en la l\u00f3gica de descifrado SM2 de sm-crypto anterior a la versi\u00f3n 0.3.14. Al interactuar con la interfaz de descifrado SM2 varias veces, un atacante puede recuperar completamente la clave privada en aproximadamente varios cientos de interacciones. La versi\u00f3n 0.3.14 corrige el problema."}], "lastModified": "2026-06-17T10:22:22.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:juneandgreen:sm-crypto:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "902F9DFD-B5BC-4BF4-9AF2-CB42F616B3D4", "versionEndExcluding": "0.3.14"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}