CVE-2026-75106

CVE-2026-75106CVE-2026-75106

Description

OpnForm derives editable-submission secrets from sequential row identifiers using Hashids with an empty default salt, allowing unauthenticated attackers to compute hashes for any submission. Attackers can read other respondents' full submission data through the submission-fetch endpoint or overwrite submissions by supplying predicted hashes to the answer endpoint.

Scoring

CVSS 9.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Last modified2026-08-17
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.