Auth bypass in Advanced Custom Fields (Acf®)

CVE-2026-97190

The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not verify that a user is allowed to edit the target object before writing to it during bidirectional relationship synchronization, allowing users with contributor-level access and above to add or remove a reference to their own object on arbitrary posts, users, or terms they cannot otherwise edit.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Advanced Custom Fields (Acf®)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-97190?
CVE-2026-97190 is a low-severity vulnerability in Advanced Custom Fields (Acf®), classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-11-07.
How severe is CVE-2026-97190?
Low severity. CVSS v3 base score is 2.7 out of 10.