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.
Metrics
Affected Vendors & Products
References
History
Fri, 21 Aug 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Opnform
Opnform opnform |
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| Vendors & Products |
Opnform
Opnform opnform |
Tue, 18 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Mon, 17 Aug 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | OpnForm Editable Submission Secret Derivation via Empty Hashids Salt | |
| Weaknesses | CWE-340 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-17T20:36:02.092Z
Updated: 2026-08-21T11:21:01.592Z
Reserved: 2026-08-17T17:28:41.677Z
Link: CVE-2026-75106
Updated: 2026-08-18T14:14:59.774Z
Status : Received
Published: 2026-08-17T21:16:49.610
Modified: 2026-08-18T15:17:13.087
Link: CVE-2026-75106
No data.