Vulnerability · Published Nov 7, 2026 · Assigned by WPScan
CVE-2026-97190Advanced Custom Fields 6.2.0 - 6.8.10 - Contributor+ Relationship Field Update on Arbitrary Objects via IDOR
Low 2.7
In plain English
A low-severity authorization bypass via user-controlled key in Advanced Custom Fields (ACF®) from Unknown. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)–no EPSS score yet
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Advanced Custom Fields (ACF®) | 6.2.0 – before 6.8.11 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/9e35af14-3981-4751-a08a-98431c1ac9cf/ exploit, vdb-entry, technical-description