CVE-2026-72692
OpenSignLabs opensignserver - Missing Authorization
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
A missing authorization vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to irreversibly decline any in-flight document and forge the decline attribution to an arbitrary user via the declinedoc Parse cloud function. The function writes IsDeclined, DeclineReason, and a caller-supplied DeclineBy pointer without verifying the caller's identity, enabling workflow termination and evidentiary record falsification against any accessible document.
| CWE | CWE-862 |
| Vendor | opensignlabs |
| Product | opensignserver |
| Published | Aug 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
OpenSignLabs / opensignserver
0 ≤ 2.37.0
Credits
Bobur Abdugafforov (Mahadsec)