PT-2026-40445 · Efw · Efw

Published 2026-05-12 · Updated 2026-05-13 · CVE-2026-44259

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions efw4.X versions prior to 4.08.010

Description The 'previewServlet' serves files using detected MIME types based on file extensions without applying security headers or content sanitization. Files with extensions such as .html, .htm, or .svg are served as 'text/html' or 'image/svg+xml', which allows embedded JavaScript to execute in the user's browser within the application's origin.

Recommendations Update to version 4.08.010.

Exploit

Fix

XSS

Weakness Enumeration

CWE-80

Related Identifiers

CVE-2026-44259

Affected Products

Efw

References · 5

• 🔥 https://github.com/efwGrp/efw4.X/security/advisories/GHSA-hw67-p3gw-rrmj · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-44259 · Security Note
• https://t.me/CVEtracker/53555 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2054448056322433223 · Twitter Post
• https://twitter.com/CVEnew/status/2054323992325128563 · Twitter Post