Incorrect access control in the REST API endpoint of HubSpot v1.29441 allows…
Priority MEDIUM 57CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
Incorrect access control in the REST API endpoint of HubSpot v1.29441 allows unauthenticated attackers to view users' data without proper authorization.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37749
- 2026-10-03 Alias added: GHSA-359c-qvwm-hgjp
References
Other 3
- https://app.hubspot.com/api/external-options/v2/pagedFetch/0-1/OWNER?useIndexOffset=true&portalId=22152277&clienttimeout=14000&hs_static_app=settings-ui-users&hs_static_app_version=1.43001&limit=200&q=&offset=0&includeDeleted=true
- https://owasp.org/Top10/A01_2021-Broken_Access_Control/
- https://gist.github.com/0xDBJ/28072f7eea42571d5b4ebaabdcb21cce
Sources
- CVE-2023-37749 · CVE Program
- CVE-2023-37749 · NVD
- FIRST EPSS
- GHSA-359c-qvwm-hgjp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences