CVE-2026-72691

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...

EUVD-2026-55531

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-2026-72691

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-2026-72688

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...

EUVD-2026-55521

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-2026-72688

CVE-2026-72688 concerns OpenSignLabs opensignserver (up to version 2.37.0). The flaw is a missing authentication vulnerability in the fileupload Parse cloud function, which mints MASTER_KEY-signed file access tokens for any caller-supplied URL without session verification. This allows an unauthen...