CVE-2026-92794

Summary

OpenSign through 2.41.3 fails to validate caller identity in the getDocument cloud function when one-time-password verification is disabled. Attackers can supply a document identifier from guest signing links to retrieve complete document details including all signers' information, sender identity, and valid download tokens without authentication.

Affected Software

Weaknesses

• CWE-862: Missing Authorization

References

• https://github.com/OpenSignLabs/OpenSign/issues/2218
• https://github.com/OpenSignLabs/OpenSign
• https://github.com/OpenSignLabs/OpenSign/blob/v2.41.0/apps/OpenSignServer/cloud/parsefunction/getDocument.js#L20-L32
• https://www.vulncheck.com/advisories/opensign-through-2.41.3-information-disclosure-via-getdocument

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