What is CVE-2026-27091?

CVE-2026-27091 is a medium-severity vulnerability in Uipress Lite, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-03-19.

How severe is CVE-2026-27091?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Uipress Lite

CVE-2026-27091

Missing Authorization vulnerability in UiPress UiPress lite uipress-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UiPress lite: from n/a through <= 3.5.09.

Vulnerability class: Broken Access Control

EPSS: 0.001 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Uipress Lite — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/Wordpress/Plugin/uipress-lite/vulnerability/wordpress-u… (vdb-entry)

Frequently asked questions

What is CVE-2026-27091?: CVE-2026-27091 is a medium-severity vulnerability in Uipress Lite, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-03-19.
How severe is CVE-2026-27091?: Medium severity. CVSS v3 base score is 6.3 out of 10.