Summary
OCTO Image Server contains a vulnerable version of PHP affected by PHP2Shell (CVE-2026-109618 and CVE-2026-109619). We strongly recommend to upgrade PHP to version 8.2.35.
Details
Remediation
Octo Image Server is typically installed on computers within a customer's internal network and is not intended to be directly exposed to the public internet.
While the risk to installations is low, we recommend updating the PHP package to version 8.2.35 to eliminate any potential exposure and maintain current cybersecurity best practices.
Impact
A vulnerable PHP component in OCTO Image Server may allow remote code execution. An attacker could execute arbitrary code on the system hosting OCTO Image Server.
Vulnerabilities 2
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Critical 9.2
RCE via OOM corruption
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The s…
KEV Oct 26, 2026 -
Critical 9.2
RCE via stale global state
PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The global state may then refer to request memory even after it has been freed. Subs…
KEV Oct 26, 2026
Revision history
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#1.0.0
Initial revision
References
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Product security website of METTLER TOLEDO
https://www.mt.com/ph/en/home/site_content/product-security.html
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CERT@VDE Security Advisories for METTLER TOLEDO
https://certvde.com/en/advisories/vendor/mettler-toledo/
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VDE-2026-137: METTLER TOLEDO: PHP2Shell in Octo Image Server - HTML
https://certvde.com/en/advisories/VDE-2026-137/