CVE-2026-92794
OpenSign through 2.41.3 Information Disclosure via getDocument
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 16, 2026
- Updated
- Sep 17, 2026
- Reserved
- Sep 16, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
OpenSignOpenSignLabs |
|
References
- GitHub Issue #2218issue-tracking
- https://github.com/OpenSignLabs/OpenSignproduct
- the lookup runs with useMasterKey and returns the document when IsEnableOTP is falsetechnical-description
- VulnCheck Advisory: OpenSign through 2.41.3 Information Disclosure via getDocumentthird-party-advisory
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