Vulnerability · Published Nov 6, 2026 · Assigned by Patchstack

CVE-2026-122670WordPress Polylang plugin <= 3.9 - Broken Access Control vulnerability

Medium 5.4

In plain English

A medium-severity missing authorization in Polylang from WP SYNTEX. There are no confirmed reports of exploitation so far.

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)–no EPSS score yet

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.

Affected products (as reported)

Vendor	Product	Versions
WP SYNTEX	Polylang	0 – through 3.9

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://patchstack.com/database/wordpress/plugin/polylang/vulnerability/wordpress-polylang-plugin-3-9-broken-access-control-vulnerability?_s_id=cve vdb-entry