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As of 10/26/2026, RIOT recorded 6 security vulnerabilities in the last 90 days, of which 6 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of RIOT and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-49868RIOT: DHCPv6 client _parse_reply() missing sub-option length check leads to size_t underflow and unbounded OOB heap readCVE-2026-102693RIOT: Remote Stack Buffer Overflow in ATWINC15x0 driver via unsanitized SSIDCVE-2026-102692RIOT: Potential integer overflow in nanocoap Block2 handling leading to out-of-bounds memory accessCVE-2026-107838RIOT: nanocoap_fileserver ignores response initialization failure, leading to reachable assertionCVE-2026-107837RIOT: Out-of-Bounds Read in RIOT OS 6LoWPAN SFF Fragment Handling46 Results | Page 1 of 5