CVE-2026-85393

Katalog CVE

CVSS 7.5 · High EPSS 0,33%

Kerentanan Improper Verification of Cryptographic Signature. Skor CVSS 3.1 7.5 (High) menurut vulncheck.com.

Deskripsi (NVD)

node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS#1 v1.5 signature verification. Attackers can embed garbage bytes inside the DigestAlgorithm sequence to forge valid signatures for arbitrary messages using low-exponent RSA keys. This is an incomplete fix for CVE-2026-33894.

Rincian

Terbit di NVD

3 September 2026

Terakhir diubah

24 September 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,33% peluang dieksploitasi; lebih tinggi dari 23,8% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/advisories/GHSA-ppp5-5v6c-4jwp
• https://github.com/digitalbazaar/forge
• https://github.com/digitalbazaar/forge/blob/v1.4.0/lib/asn1.js
• https://github.com/digitalbazaar/forge/blob/v1.4.0/lib/rsa.js
• https://github.com/digitalbazaar/forge/issues/1149
• https://www.vulncheck.com/advisories/node-forge-through-1.4.0-rsa-pkcs-1-1.5-signature-forgery-via-nested-dige...