{"id":"CVE-2026-33894","revision":"ff025d6ff9524b80954f23547c352138","records":[{"revision":"ff025d6ff9524b80954f23547c352138","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-33894","aliases":[],"title":"Forge has signature forgery in RSA-PKCS due to ASN.1 extra field","description":"Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, RSASSA PKCS#1 v1.5 signature verification accepts forged signatures for low public exponent keys (e=3). Attackers can forge signatures by stuffing “garbage” bytes within the ASN structure in order to construct a signature that passes verification, enabling Bleichenbacher style forgery. This issue is similar to CVE-2022-24771, but adds bytes in an addition field within the ASN structure, rather than outside of it.  Additionally, forge does not validate that signatures include a minimum of 8 bytes of padding as defined by the specification, providing attackers additional space to construct Bleichenbacher forgeries. Version 1.4.0 patches the issue.","state":0,"publishedAt":"2026-03-27T20:45:49.583+00:00","modifiedAt":"2026-09-10T12:04:55.128+00:00","affected":[{"ecosystem":"Vendor product","name":"forge","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"digitalbazaar\",\n                    \"product\": \"forge\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","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/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwp","https://datatracker.ietf.org/doc/html/rfc2313#section-8","https://mailarchive.ietf.org/arch/msg/openpgp/5rnE9ZRN1AokBVj3VqblGlP63QE","https://www.rfc-editor.org/rfc/rfc8017.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-33894","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-33894","identifiers":["CVE-2026-33894"]},"retained":false,"historicalAffected":[]}],"coverage":[]}