{"id":"CVE-2026-85393","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-85393","summary":"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…","details":"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.","published":"2026-09-03T19:17:31.103","modified":"2026-09-03T19:17:31.103","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/advisories/GHSA-ppp5-5v6c-4jwp"},{"type":"WEB","url":"https://github.com/digitalbazaar/forge"},{"type":"WEB","url":"https://github.com/digitalbazaar/forge/blob/v1.4.0/lib/asn1.js"},{"type":"WEB","url":"https://github.com/digitalbazaar/forge/blob/v1.4.0/lib/rsa.js"},{"type":"WEB","url":"https://github.com/digitalbazaar/forge/issues/1149"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/node-forge-through-1.4.0-rsa-pkcs-1-1.5-signature-forgery-via-nested-digestalgorithm-padding"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-03T19:17:31.103"}}