CVE-2026-11944

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.

• CWE-22

• https://fluidattacks.com/es/advisories/totoThird Party Advisory, Exploit
• https://github.com/OS4ED/openSIS-ClassicProduct
• https://fluidattacks.com/es/advisories/totoThird Party Advisory, Exploit

Published

Jul 14, 2026

Last Modified

Jul 14, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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