CVE-2026-59776

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreMEDIUM 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 — 3 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: None knownExposed: 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(medium)
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 PROB
0%
EPSS %ILE
4%
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 15× in last 7d / 70× 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.

Showing the most recent 100 of 138 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 09:16 UTCEG score recompute
  3. 2026-09-11 09:16 UTCGHSA enrichment
  4. 2026-09-10 09:35 UTCEPSS rescore
  5. 2026-09-09 11:43 UTCEG score recompute
  6. 2026-09-09 11:43 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-07 22:45 UTCEG score recompute
  9. 2026-09-07 22:45 UTCGHSA enrichment
  10. 2026-09-07 16:01 UTCEPSS rescore
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-06 11:21 UTCEG score recompute
  13. 2026-09-06 11:21 UTCGHSA enrichment
  14. 2026-09-05 09:15 UTCEG score recompute
  15. 2026-09-05 09:15 UTCGHSA enrichment
  16. 2026-09-04 05:07 UTCEPSS rescore
  17. 2026-09-02 14:12 UTCEPSS rescore
  18. 2026-09-02 01:00 UTCEG score recompute
  19. 2026-09-02 01:00 UTCGHSA enrichment
  20. 2026-09-01 13:54 UTCEPSS rescore
  21. 2026-08-31 01:57 UTCEG score recompute
  22. 2026-08-31 01:57 UTCGHSA enrichment
  23. 2026-08-30 19:17 UTCEPSS rescore
  24. 2026-08-30 02:27 UTCEG score recompute
  25. 2026-08-30 02:27 UTCGHSA enrichment
Show 75 more
  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-28 21:42 UTCEPSS rescore
  3. 2026-08-27 21:38 UTCEG score recompute
  4. 2026-08-27 21:38 UTCGHSA enrichment
  5. 2026-08-27 14:25 UTCEPSS rescore
  6. 2026-08-26 22:08 UTCEG score recompute
  7. 2026-08-26 22:08 UTCGHSA enrichment
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-25 22:38 UTCEG score recompute
  10. 2026-08-25 22:38 UTCGHSA enrichment
  11. 2026-08-25 13:49 UTCEPSS rescore
  12. 2026-08-24 22:32 UTCEG score recompute
  13. 2026-08-24 22:32 UTCGHSA enrichment
  14. 2026-08-23 23:02 UTCEG score recompute
  15. 2026-08-23 23:02 UTCGHSA enrichment
  16. 2026-08-23 00:19 UTCEPSS rescore
  17. 2026-08-22 23:31 UTCGHSA enrichment
  18. 2026-08-22 00:01 UTCEG score recompute
  19. 2026-08-22 00:01 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 00:30 UTCEG score recompute
  22. 2026-08-21 00:30 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 01:01 UTCEG score recompute
  25. 2026-08-20 01:00 UTCGHSA enrichment
  26. 2026-08-19 17:04 UTCEPSS rescore
  27. 2026-08-19 01:14 UTCEG score recompute
  28. 2026-08-19 01:14 UTCGHSA enrichment
  29. 2026-08-18 13:48 UTCEPSS rescore
  30. 2026-08-18 01:44 UTCEG score recompute
  31. 2026-08-18 01:44 UTCGHSA enrichment
  32. 2026-08-17 13:47 UTCEPSS rescore
  33. 2026-08-17 00:34 UTCEG score recompute
  34. 2026-08-17 00:34 UTCGHSA enrichment
  35. 2026-08-16 14:56 UTCEPSS rescore
  36. 2026-08-16 02:14 UTCEPSS rescore
  37. 2026-08-16 01:04 UTCGHSA enrichment
  38. 2026-08-15 01:34 UTCEG score recompute
  39. 2026-08-15 01:34 UTCGHSA enrichment
  40. 2026-08-15 01:30 UTCEPSS rescore
  41. 2026-08-14 02:04 UTCEG score recompute
  42. 2026-08-14 02:04 UTCGHSA enrichment
  43. 2026-08-13 22:00 UTCEPSS rescore
  44. 2026-08-13 02:35 UTCEG score recompute
  45. 2026-08-13 02:35 UTCGHSA enrichment
  46. 2026-08-12 13:51 UTCEPSS rescore
  47. 2026-08-12 03:05 UTCEG score recompute
  48. 2026-08-12 03:05 UTCGHSA enrichment
  49. 2026-08-11 03:35 UTCEG score recompute
  50. 2026-08-11 03:35 UTCGHSA enrichment
  51. 2026-08-11 00:00 UTCEPSS rescore
  52. 2026-08-10 04:05 UTCEG score recompute
  53. 2026-08-10 04:05 UTCGHSA enrichment
  54. 2026-08-09 13:46 UTCEPSS rescore
  55. 2026-08-09 04:36 UTCEG score recompute
  56. 2026-08-09 04:36 UTCGHSA enrichment
  57. 2026-08-08 16:37 UTCEPSS rescore
  58. 2026-08-08 05:06 UTCEG score recompute
  59. 2026-08-08 05:06 UTCGHSA enrichment
  60. 2026-08-07 05:36 UTCEG score recompute
  61. 2026-08-07 05:36 UTCGHSA enrichment
  62. 2026-08-06 13:47 UTCEPSS rescore
  63. 2026-08-06 06:06 UTCEG score recompute
  64. 2026-08-06 06:06 UTCGHSA enrichment
  65. 2026-08-05 19:17 UTCEPSS rescore
  66. 2026-08-05 06:37 UTCEG score recompute
  67. 2026-08-05 06:37 UTCGHSA enrichment
  68. 2026-08-04 10:39 UTCEPSS rescore
  69. 2026-08-04 07:05 UTCEG score recompute
  70. 2026-08-04 07:05 UTCGHSA enrichment
  71. 2026-08-03 10:36 UTCEPSS rescore
  72. 2026-08-03 06:49 UTCGHSA enrichment
  73. 2026-08-02 07:15 UTCEG score recompute
  74. 2026-08-02 07:15 UTCGHSA enrichment
  75. 2026-08-02 02:27 UTCEPSS rescore

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 0% probability of exploitation in the next 30 days, which ranks it in the top 96.1% of all scored CVEs.
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

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