CVE-2026-11944 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Os4ed	Opensis-classic

No data.

No data.

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References

Link	Providers
https://fluidattacks.com/es/advisories/toto
https://github.com/OS4ED/openSIS-Classic

History

Tue, 14 Jul 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 15:45:00 +0000

Type	Values Removed	Values Added
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.
Title		openSIS Classic 9.3 - Authenticated path traversal in SentMail attachment download
First Time appeared		Os4ed Os4ed opensis-classic
Weaknesses		CWE-22
CPEs		cpe:2.3:a:os4ed:opensis-classic:9.3::linux::::: cpe:2.3:a:os4ed:opensis-classic:9.3::macos::::: cpe:2.3:a:os4ed:opensis-classic:9.3::windows:::::
Vendors & Products		Os4ed Os4ed opensis-classic
References		https://fluidattacks.com/es/advisories/toto https://github.com/OS4ED/openSIS-Classic
Metrics		cvssV4_0 `{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published: 2026-07-14T15:23:47.689Z

Updated: 2026-07-14T15:58:38.983Z

Reserved: 2026-06-10T21:25:07.392Z

Link: CVE-2026-11944

Vulnrichment

Updated: 2026-07-14T15:58:35.077Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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