CVE-2026-72544

Summary

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.

Affected Software

VendorProductVersion RangeStatus
OpenSignLabsOpenSign0 <= 2.37.0affected

Weaknesses

  • CWE-345: CWE-345: Insufficient Verification of Data Authenticity

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References