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Critical Vulnerabilities in Rust Reqsign Affect Multiple Services

Critical Vulnerabilities in Rust Reqsign Affect Multiple Services

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

Multiple critical vulnerabilities have been identified in the Rust reqsign library, affecting services such as AWS, Azure, and Google. Key issues include a denial-of-service threat and a critical CVE-2025-62518 related to HTTP request signing and file reading implementations. Various patch releases have been issued to address these vulnerabilities.

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