CVE-2026-59805
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.
Zayıflık
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.
Kaynaklar
- 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
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