{"id":"CVE-2026-85393","revision":"04f752e4442d44b79d0af105db2c975a","records":[{"revision":"04f752e4442d44b79d0af105db2c975a","observedAt":"2026-10-25T16:19:16.24+00:00","statement":{"source":"nvd","id":"CVE-2026-85393","aliases":[],"title":"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 …","description":"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.","state":0,"publishedAt":"2026-09-03T19:17:31.103+00:00","modifiedAt":"2026-09-24T20:43:32.537+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5,"severity":"HIGH"}],"references":["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-digestalgorithm-padding"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85393","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-347"],"productCriteria":[],"sourceDates":{"published":"2026-09-03T19:17:31.103","lastModified":"2026-09-24T20:43:32.537"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-85393","identifiers":["CVE-2026-85393"]},"retained":false,"historicalAffected":[]}],"coverage":[]}