OpenSignLabs OpenSign vulnerabilities
🔔 Create alert RSS Version checker
Published CVEs affecting OpenSignLabs OpenSign: 4 record(s), with affected versions and fixes.
CVE-2026-72549
Medium · 5.3
CWE-200 Aug 11, 2026
OpenSignLabs OpenSign - Information Disclosure
An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to map any email address or username to its internal user objectId via the getUserId Parse cloud function. The function performs no authentication before resolving and returning the internal identifier. An attacker can use this to enumerate user accounts and target subsequent attacks.
CVE-2026-72548
High · 7.5
CWE-200 Aug 11, 2026
OpenSignLabs OpenSign - Information Disclosure
An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.
CVE-2026-72545
High · 7.5
CWE-639 Aug 11, 2026
OpenSignLabs OpenSign - Insecure Direct Object Reference
An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to write to any contact record via the updatecontacttour Parse cloud function. The function performs no authentication or authorization before updating the target contact record. An attacker can corrupt or overwrite contact data for any user in the system without credentials.
CVE-2026-72544
High · 7.5
CWE-345 Aug 11, 2026
OpenSignLabs OpenSign - Insufficient Verification of Data Authenticity
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.