LIVE FEED
HIGH CWE-22

CVE-2026-9776

ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability

ATEN·Unizon

7.5/ 10
CVSS 3.0
High severity
1.9%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 79% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
Published
Jun 24, 2026
Updated
Jun 25, 2026
First covered
Jun 30, 2026
Latest story
5 months ago

Summary

ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of ATEN Unizon. Authentication is not required to exploit this vulnerability.The specific flaw exists within the writeFileToHttpServletResponse method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-28505.

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

Attack profile

Attack vectorNetwork
ComplexityLow
PrivilegesNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • ATEN Unizon2.7.262.002

References

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