CVE-2026-59776

State: Published
Severity: 7.0 High
Published: Jul 21, 2026
Updated: Jul 21, 2026
Reserved: Jul 9, 2026

Description

Missing Cryptographic Step (CWE-325) vulnerability exists in certain FeliCa IC chips shipped in or before 2017. If the vulnerability is exploited, information stored in the IC chip may be read or tampered with.

Scores

CVSS	Score	Vector	Source
4.0	7.0 High	CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	jpcert
3.0	6.8 Medium	CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-325 Missing cryptographic step

Affected Products

Product	Versions
FeliCa IC chipsSony Corporation	shipped in or before 2017Affected

References

https://www.sony.co.jp/en/Products/felica/business/information/2025001.html
https://jvn.jp/en/jp/JVN40509781/

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