CVE-2026-101103

The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01
https://www.hms-networks.com/cybersecurity
https://www.peak-system.com/support/downloads/software/

Configurations

No configuration.

History

20 Oct 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 21:17

Updated : 2026-10-29 19:17

NVD link : CVE-2026-101103

Mitre link : CVE-2026-101103

CVE.ORG link : CVE-2026-101103

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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