CVE-2026-28149

CVSS 9.8 (critical) · published 2026-08-13

Unauthenticated PHP Object Injection in Headless Single Sign On <= 1.6 versions.

Weakness: CWE-502

Source: NVD CVE-2026-28149

References

• https://patchstack.com/database/wordpress/plugin/headless-single-sign-on/vulnerability/wordpress-headless-single-sign-on-plugin-1-6-php-object-injection-vulnerability?_s_id=cve

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