CVE-2026-15658
foreUP customer REST API allows unauthenticated endpoint access
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.1
foreUP customer REST API allows unauthenticated endpoint access
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
- Record
CVE-2026-15658- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2026-51159
8.1
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
- Record
EUVD-2026-51159- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jhcw-2w66-f34v
8.1
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer...
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
- Record
GHSA-jhcw-2w66-f34v- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
8.1
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
- Record
CVE-2026-15658- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-15658 is a high vulnerability (CVSS 8.1) in Foreup, published July 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.