PT-2026-26249 · Unknown · Really Simple Security

Dcodx · Published 2026-03-19 · Updated 2026-03-19 · CVE-2026-27397

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Really Simple Security Pro versions through 9.5.4.0

Description An authorization bypass exists in Really Simple Security Pro due to incorrectly configured access control security levels, allowing exploitation through a user-controlled key.

Recommendations Update Really Simple Security Pro to a version later than 9.5.4.0.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-27397

Affected Products

Really Simple Security

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-27397 · Security Note
• https://patchstack.com/database/wordpress/plugin/really-simple-ssl-pro/vulnerability/wordpress-really-simple-security-pro-plugin-9-5-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve · Note
• https://twitter.com/VulmonFeeds/status/2034565111545790816 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/really-simple-ssl-pro/vulnerability/wordpress-really-simple-security-pro-plugin-9-5-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2034520373325095110 · Twitter Post