CVE-2026-11944 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Os4Ed	Opensis	9.3
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-22

References

https://fluidattacks.com/es/advisories/totoThird Party AdvisoryExploit
https://github.com/OS4ED/openSIS-ClassicProduct
https://fluidattacks.com/es/advisories/totoThird Party AdvisoryExploit

FAQ

What is CVE-2026-11944?

CVE-2026-11944 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 f...

How severe is CVE-2026-11944?

CVE-2026-11944 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11944?

Check the references section above for vendor advisories and patch information. Affected products include: Os4Ed Opensis, Apple Macos, Linux Linux Kernel, Microsoft Windows.