CVE-2026-11944

UNKNOWN 0.0

openSIS Classic 9.3 - Authenticated path traversal in SentMail attachment download

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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	CWE-22
Vendor	os4ed
Product	opensis-classic
Published	Jul 14, 2026
Last Updated	Jul 14, 2026

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Affected Versions

OS4ED / openSIS-Classic

9.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Daniel Celis