CVE-2026-12897 Out-of-bounds read in Horner Automation Cscape

High 8.4 Published Updated

An out-of-bounds read in Horner Automation Cscape allows attackers to disclose information and execute arbitrary code via malicious CSP files.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12897?

CVE-2026-12897 is a high-severity memory corruption vulnerability in Horner Automation Cscape, published on 25 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Horner Automation Cscape versions prior to 10.2 SP3 are vulnerable to an Out-of-Bounds Read vulnerability through parsing CSP files. Successful exploitation of this vulnerability could allow an attacker to disclose information and execute arbitrary code.

Weakness: CWE-125

Which versions are affected by CVE-2026-12897?

How do I fix CVE-2026-12897?

No fix has been published for CVE-2026-12897 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-12897 being exploited?

There is no known exploitation of CVE-2026-12897 in the wild and no public exploit code.

Sources

Also known as GHSA-xm98-9qfh-q6g4.

Is CVE-2026-12897 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free