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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fluidattacks.com/es/advisories/toto	Third Party Advisory Exploit
https://github.com/OS4ED/openSIS-Classic	Product
https://fluidattacks.com/es/advisories/toto	Third Party Advisory Exploit

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:os4ed:opensis:9.3:*:*:*:community:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

14 Jul 2026, 20:28

Type	Values Removed	Values Added
References	~~() https://fluidattacks.com/es/advisories/toto -~~	() https://fluidattacks.com/es/advisories/toto - Third Party Advisory, Exploit
References	~~() https://github.com/OS4ED/openSIS-Classic -~~	() https://github.com/OS4ED/openSIS-Classic - Product
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:o:apple:macos:-:::::::* cpe:2.3:a:os4ed:opensis:9.3::::community:::
First Time		Apple macos Linux Os4ed Apple Linux linux Kernel Microsoft windows Os4ed opensis Microsoft

14 Jul 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 16:16

Updated : 2026-07-14 20:28

NVD link : CVE-2026-11944

Mitre link : CVE-2026-11944

CVE.ORG link : CVE-2026-11944

JSON object : View

Products Affected

os4ed

opensis

microsoft

windows

apple

macos

linux

linux_kernel

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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