Gumroad < 2026.07.06.2 - Insecure Direct Object Reference in PurchasesController
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA gumroad (antiwork) Fixed in 2026.07.06.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-59805
- 2026-10-03 Alias added: GHSA-4w48-6p23-843q
References
Sources
- CVE-2026-59805 · CVE Program
- CVE-2026-59805 · NVD
- FIRST EPSS
- GHSA-4w48-6p23-843q · GitHub Advisory Database · CC BY 4.0
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