{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71247","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","state":"PUBLISHED","assignerShortName":"TuranSec","dateReserved":"2026-08-05T10:53:53.176Z","datePublished":"2026-08-05T10:56:59.954Z","dateUpdated":"2026-08-10T11:46:00.855Z"},"containers":{"cna":{"title":"Documenso - Assistant Recipient Can Forge Another Signer's Signature in Sequential-Signing Documents","descriptions":[{"lang":"en","value":"Documenso's sign-field-with-token.ts, used by the live document-signing UI, allows a recipient with the ASSISTANT role to fetch and complete fields belonging to any later-or-equal-order, not-yet-signed recipient in the same envelope, with no restriction on field type. A newer V2 signing path (sign-envelope-field.ts) explicitly blocks assistants from completing SIGNATURE fields, and the project's own test suite comments confirm this guard is absent from the V1 path used here.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Documenso's sign-field-with-token.ts, used by the live document-signing UI, allows a recipient with the ASSISTANT role to fetch and complete fields belonging to any later-or-equal-order, not-yet-signed recipient in the same envelope, with no restriction on field type. A newer V2 signing path (sign-envelope-field.ts) explicitly blocks assistants from completing SIGNATURE fields, and the project's own test suite comments confirm this guard is absent from the V1 path used here.</p>"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-863 Incorrect Authorization","cweId":"CWE-863","type":"CWE"}]}],"affected":[{"vendor":"documenso","product":"documenso","programFiles":["packages/lib/server-only/field/sign-field-with-token.ts"],"versions":[{"version":"0","status":"affected"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://github.com/documenso/documenso","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Bobur Abdugafforov","type":"finder"}],"providerMetadata":{"orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","shortName":"TuranSec","dateUpdated":"2026-08-10T11:46:00.855Z"},"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T10:56:59.954Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T12:31:13.509667Z","id":"CVE-2026-71247","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-05T12:32:16.403Z"}}]}}