PT-2026-57586 · Area 17 · Twill Cms

Jobyer Ahmed + 1 · Published 2026-07-13 · Updated 2026-07-13 · CVE-2026-15518

Mitre

CVSS v3.1

4.7

Medium

Base vector

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

A vulnerability has been found in AREA 17 Twill CMS up to 3.6.0. The impacted element is the function FileLibraryController::storeFile of the file src/Http/Controllers/Admin/FileLibraryController.php of the component Media Library Insert Page. Such manipulation of the argument qqfilename leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploit

Fix

Improper Access Control

Unrestricted File Upload

Weakness Enumeration

CWE-284

CWE-434

Related Identifiers

CVE-2026-15518

Affected Products

Twill Cms

References · 6

• 🔥 https://bytium.com/insights/authenticated-arbitrary-file-upload-to-rce-in-twill-cms · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-15518 · Security Note
• https://vuldb.com/vuln/377847/cti · Note
• https://vuldb.com/vuln/377847 · Note
• https://vuldb.com/cve/CVE-2026-15518 · Note
• https://vuldb.com/submit/849572 · Note