SBOMs for warehouse robots and machine firmware: where to start

A warehouse full of robots, sorters and scanners runs firmware from many suppliers, and you cannot see inside it. A software bill of materials (SBOM) lists the components in each build, so you can match them to known vulnerabilities. Ask for an SBOM and a VEX statement from each supplier, and store them per machine.

What is an SBOM, and why does it matter for machines?

CISA describes an SBOM as a nested inventory, a list of ingredients that make up software components, and treats it as a key building block in software supply chain risk management. It also describes VEX, the Vulnerability Exploitability eXchange, as an attestation that indicates whether products are affected by known vulnerabilities.

For machines, the value is speed and honesty. When a library flaw is announced, "do we run it, and where?" becomes a lookup. VEX answers the second question suppliers get asked most: "the library is in there, but is the flawed part used?"

The CISA page I fetched does not discuss operational technology specifically, so these ideas are my application of it to machines, not CISA guidance for warehouses.

What do the standards add?

ISA describes the IEC 62443 series as covering industrial automation and control systems, with parts for asset owners and service providers, system design, and components. Its Part 4 includes a secure product development lifecycle (4-1) and technical requirements for components (4-2). That is the part you can reference in purchase specifications for the people who build the robot.

NIST SP 800-82 Rev. 3 covers securing operational technology, including transportation and other systems that control physical processes, with an eye on safety and reliability.

The EU Cyber Resilience Act points the same way. In the recitals I fetched, market surveillance authorities may request SBOMs manufacturers produced, vulnerability handling applies across the support period, and the support period should be at least five years unless the product's expected use is shorter. The operative articles and dates were not in the part I could read, so check the full text before relying on specifics.

What about the current SBOM guidance?

CISA published a draft update to its SBOM minimum elements on 22 August 2025, building on the 2021 NTIA baseline and taking comment until 3 October 2025. The SBOM page now links to updated 2026 minimum elements. Check the current version for the data fields it requires.

What to do

1. Make an asset list with make, model, firmware version and connectivity for each machine.
2. Ask each supplier for an SBOM in a machine readable format, and for the firmware version it matches.
3. Ask for VEX statements on new advisories, and for a named security contact.
4. Add to the contract: vulnerability disclosure, patch delivery times, support period and the right to receive SBOM updates.
5. Cite IEC 62443-4-1 and 4-2 in tenders for new equipment and ask how the supplier meets them.
6. Load SBOMs into one inventory and match them against exploited vulnerability lists daily.
7. Rank by reachability and exposure. A flaw in a component on a network-facing module comes first.
8. Segment machine networks so a flaw you cannot patch quickly is not reachable from the office network.
9. Track update status per machine and report how many run a firmware with open known exploited flaws.

Safeguard's SBOM generation and dependency inventory work for software you build, such as warehouse management code and robot control applications, and the same inventory can sit beside supplier SBOMs you import.

Quick check

Sources

• CISA, Software Bill of Materials
• CISA, draft 2025 minimum elements for SBOM
• ISA, ISA/IEC 62443 series of standards
• NIST SP 800-82 Rev. 3
• EU Cyber Resilience Act, Regulation 2024/2847 (EUR-Lex)

Last reviewed: 18 October 2026.