Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92794OpenSign through 2.41.3 Information Disclosure via getDocument
High 7.5
In plain English
A high-severity missing authorization in OpenSign from OpenSignLabs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenSignLabs | OpenSign | 0 – through 2.41.3 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Issue #2218 issue-tracking
- https://github.com/OpenSignLabs/OpenSign product
- the lookup runs with useMasterKey and returns the document when IsEnableOTP is false technical-description
- VulnCheck Advisory: OpenSign through 2.41.3 Information Disclosure via getDocument third-party-advisory