Vulnerability DatabaseCVE-2026-72544
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CVE-2026-72544
Published:August 11, 2026
Updated:August 31, 2026
An integrity verification vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to forge document audit-trail entries via the triggerevent Parse cloud function. The function accepts viewer identity and IP address as caller-supplied parameters without authentication, allowing fabrication of arbitrary audit log entries. An attacker can tamper with the legal audit trail of any signed document, undermining non-repudiation.
Related Resources (3)
https://github.com/OpenSignLabs/OpenSign
https://nvd.nist.gov/vuln/detail/CVE-2026-72544
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72544.json
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Insufficient Verification of Data Authenticity
CWE-345
EPSS
Base Score:
0.20