Vulnerability record · CVE-2026-59805 · published 8 July 2026

CVE-2026-59805: Missing authorization vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.39% · top 69.7% CWE-862 · Missing authorization Deferred

7.1CVSS 4.0 base score

0.39%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

10 Jul 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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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Source: NIST National Vulnerability Database (record CVE-2026-59805), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.