CVE-2026-59776
FeliCa IC Chips Missing Cryptographic Step Vulnerability
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.
INFO
Published Date :
July 21, 2026, 4:16 a.m.
Last Modified :
July 21, 2026, 4:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-59776
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | MEDIUM | ede6fdc4-6654-4307-a26d-3331c018e2ce | ||||
| CVSS 3.0 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | ede6fdc4-6654-4307-a26d-3331c018e2ce | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Replace affected IC chips shipped before or during 2017.
- Implement proper cryptographic measures in new chip designs.
- Securely store sensitive data to prevent tampering.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-59776.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN40509781/ | |
| https://www.sony.co.jp/en/Products/felica/business/information/2025001.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-59776 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-59776
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-59776 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-59776 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Sony Corporation', 'product': 'FeliCa IC chips', 'versions': [{'status': 'affected', 'version': 'shipped in or before 2017'}]}] Added 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. Added CVSS V4.0 AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-325 Added Reference https://jvn.jp/en/jp/JVN40509781/ Added Reference https://www.sony.co.jp/en/Products/felica/business/information/2025001.html