CVE-2026-59805
Gumroad < 2026.07.06.2 - Insecure Direct Object Reference in PurchasesController
- State
- Published
- Severity
- 7.1 High
- Published
- Jul 8, 2026
- Updated
- Oct 8, 2026
- Reserved
- Jul 7, 2026
Description
Gumroad before 2026.07.06.2 contains a broken access control vulnerability in the PurchasesController that allows authenticated sellers to manipulate purchase access for other sellers' products by sending PUT requests to the revoke_access and undo_revoke_access actions without seller ownership validation. Attackers can modify the is_access_revoked status on arbitrary purchases to unauthorized revoke or restore buyer access to products they do not own.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
gumroadantiwork |
|
References
- Researcher Disclousuretechnical-description
- Release Notesrelease-notes
- Fix PRissue-tracking
- Fix Commitpatch
- https://www.vulncheck.com/advisories/gumroad-insecure-direct-object-reference-in-purchasescontrollerthird-party-advisory
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