CVE-2026-11944

openSIS Classic 9.3 - Authenticated path traversal in SentMail attachment download

Published Jul 14, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Fluid Attacks
Published
Updated
Jul 14, 2026, 3:58 PM
Reserved
Jun 10, 2026, 9:25 PM
Status
Analyzed
Published
Jul 14, 2026, 4:16 PM
Modified
Oct 24, 2026, 9:10 PM