Skip to content
OpenAdvisories
Medium · 5.3 CVE-2026-11944 EUVD-2026-43721GHSA-5v7m-6h74-672r

openSIS Classic 9.3 - Authenticated path traversal in SentMail attachment download

Published Jul 14, 2026 · Updated Jul 14, 2026 · Assigned by Fluid Attacks

Description

openSIS Classic 9.3 contains an authenticated path traversal vulnerability in the legacy messaging sent-mail attachment download functionality that allows an authenticated attacker to read arbitrary files on the server via crafted path traversal sequences.

Affected products

VendorProductAffectedFixed
OS4ED openSIS-Classic 9.3 —

References