Review reviewHigh

CVE-2026-15658

foreUP

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.

CVSS
8.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.31
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 8.1

Vulnerability overview

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.

Affected product and versions

Product
foreUP
Affected versions
>= API
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that foreUP and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-639
CVE-2026-15658 — foreUP | SECUFOCUS NOW