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SAE JA1020 (MAR2026)

Safety and Cybersecurity Recommendations for the Use of the Rust Language in Critical Systems
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SAE JA1020 (MAR2026)

Safety and Cybersecurity Recommendations for the Use of the Rust Language in Critical Systems

PUBLISH DATE 2026
SAE JA1020 (MAR2026)
This document provides guidance to using Rust in critical and safety-related software. The document summarizes how the usage of Rust supports in arguing safety according to ISO 26262 or RTCA DO-178C combined with RTCA DO-332. Cybersecurity best practices are referenced as these requirements largely overlap with those implemented for safety. As the Rust language is still evolving, this document targets the 2021 and 2024 editions of the language. Older or newer editions might require additional or changed rules and guidelines. Generally, the newest available edition of the language should be selected as newer editions remove ambiguities and outdated parts from the language.
SDO SAE: SAE International
Document Number JA1020
Publication Date March 25, 2026
Language en - English
Page Count
Revision Level 202603
Supercedes
Committee
Publish Date Document Id Type View
March 25, 2026 JA1020_202603 Revision