CVE-2026-59776

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. a secondary CVSS source baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.8
EG Score
6.8(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
2.1%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic

Sony Corporation - FeliCa - Information

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

JVN#40509781: Vulnerability in certain IC chips of contactless IC card "FeliCa"

https://jvn.jp/en/jp/JVN40509781/

Vendor Advisories for CVE-2026-59776(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 03:21 UTCEG score recompute
  2. 2026-07-22 23:24 UTCEG score recompute
  3. 2026-07-22 23:23 UTCGHSA enrichment
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-22 14:08 UTCEPSS rescore
  6. 2026-07-21 15:25 UTCEPSS rescore
  7. 2026-07-21 15:25 UTCEPSS rescore
  8. 2026-07-21 14:06 UTCEG score recompute
  9. 2026-07-21 14:06 UTCGHSA enrichment
  10. 2026-07-21 04:41 UTCEG score recompute
  11. 2026-07-21 03:32 UTCEG score recompute
  12. 2026-07-21 03:31 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-59776?
CVE-2026-59776 is a medium vulnerability published on July 21, 2026. 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.
When was CVE-2026-59776 disclosed?
CVE-2026-59776 was first published in the National Vulnerability Database on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59776 actively exploited?
CVE-2026-59776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-59776?
CVE-2026-59776 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2026-59776?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59776, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-59776

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