Home

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.

PUBLISHED Reserved 2026-06-10 | Published 2026-07-14 | Updated 2026-07-14 | Assigner Fluid Attacks




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
unaffected

9.3
affected

Credits

Daniel Celis finder

References

fluidattacks.com/es/advisories/toto exploit

fluidattacks.com/es/advisories/toto third-party-advisory

github.com/OS4ED/openSIS-Classic product

cve.org (CVE-2026-11944)

nvd.nist.gov (CVE-2026-11944)

Download JSON