CVE-2026-59805
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/antiwork/gumroad/commit/e7fd0e610e73135ecf1aa07c197a36fa524832e1
- https://github.com/antiwork/gumroad/issues/5725
- https://github.com/antiwork/gumroad/pull/5731
- https://github.com/antiwork/gumroad/releases/tag/v2026.07.06.2
- https://www.vulncheck.com/advisories/gumroad-insecure-direct-object-reference-in-purchasescontroller
CWEs
CWE-862
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.