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OpenAdvisories
High · 8.8 CVE-2026-121451 EUVD-2026-115883GHSA-v768-hp7c-4rf7

AB Download Manager before 1.11.2 Arbitrary File Write via /start-headless-download CSRF

Published Nov 3, 2026 · Updated Nov 9, 2026 · Assigned by VulnCheck

Description

AB Download Manager before 1.11.2 contains a cross-site request forgery vulnerability in its unauthenticated browser-integration API that allows remote attackers to write attacker-chosen files to arbitrary paths. A malicious web page can send a text/plain request to /start-headless-download with crafted folder and name values, placing payloads in startup folders for code execution on next login.

Affected products

VendorProductAffectedFixed
amir1376 ab-download-manager < 1.11.2 1.11.2

References