CVE-2026-72688 OpenSignLabs opensignserver - Missing Authentication for Critical Function

A missing authentication vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read arbitrary stored documents via the fileupload Parse cloud function. The function mints MASTERKEY-signed file access tokens for any caller-supplied URL without...

PT-2026-69829

Name of the Vulnerable Software and Affected Versions opensignserver versions prior to 2.37.1 Description A missing authentication issue allows an unauthenticated remote attacker to read arbitrary stored documents. This occurs via the fileupload Parse cloud function, which generates file access...

CVE-2026-72691: Authentication Bypass Using an Alternate Path or Channel

An authentication bypass vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to mint MASTERKEY-signed file access tokens for arbitrary stored files via the getsignedurl Parse cloud function. The function skips its isAuthenticated check whenever an...

CVE-2026-72692: Missing Authorization

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...

CVE-2026-72688: Missing Authentication for Critical Function

A missing authentication vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read arbitrary stored documents via the fileupload Parse cloud function. The function mints MASTERKEY-signed file access tokens for any caller-supplied URL without...

CVE-2026-72689: Authorization Bypass Through User-Controlled Key

A broken object-level authorization vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read complete contract records via the getDocument Parse cloud function. The function fetches documents using useMasterKey, bypassing the object ACL, and...

PT-2026-69830

Name of the Vulnerable Software and Affected Versions opensignserver versions prior to 2.38.0 Description A broken object-level authorization issue exists in the getDocument Parse cloud function. This allows an unauthenticated remote attacker to read complete contract records, including personall...

PT-2026-69833

Name of the Vulnerable Software and Affected Versions opensignserver versions prior to 2.37.1 Description A missing authorization issue allows an unauthenticated remote attacker to irreversibly decline any in-flight document and forge the decline attribution to an arbitrary user. This is possible...

PT-2026-69832

Name of the Vulnerable Software and Affected Versions opensignserver versions prior to 2.37.1 Description An authentication bypass exists in the getsignedurl Parse cloud function. The function fails to perform the isAuthenticated check when a docId parameter is provided, regardless of whether the...