PT-2026-27983 · Buisson · Buisson

Published 2026-03-25 · Updated 2026-03-29 · CVE-2026-27084

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Buisson versions through 1.1.11

Description An issue exists in Buisson that allows for object injection due to the deserialization of untrusted data. This relates to a data deserialization flaw.

Recommendations Update Buisson to a version later than 1.1.11.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-27084

Affected Products

Buisson

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-27084 · Security Note
• https://patchstack.com/database/Wordpress/Theme/buisson/vulnerability/wordpress-buisson-theme-1-1-11-php-object-injection-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2038250196950290462 · Twitter Post