CVE-2026-9054

CRITICALNVD 9.29.2—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.2 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.2Exploit: NoneExposed: 0

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

An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.

CVSS v3
9.2
EG Score
9.2(medium)
EPSS
21.0%
KEV
Not listed

Published

May 22, 2026

Last Modified

May 22, 2026

Advisory Details (3)

Auto-updated May 22, 2026
No patch confirmed yet.
generic

git: 9front

https://git.9front.org/plan9front/9front/f86917b75e9562f90545b7e484dbdcd748236952/commit.html
generic

git: 9front

https://git.9front.org/plan9front/9front/7838d68969549f938cc8e80c0c2b4218cb12805c/commit.html
generic

git: 9front

https://git.9front.org/plan9front/9front/70c97c334171c715df82774d1a47638abaca2db4/commit.html

Vendor Advisories for CVE-2026-9054(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 8× in last 7d / 122× 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 265 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9054?
CVE-2026-9054 is a critical vulnerability published on May 22, 2026. An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.
When was CVE-2026-9054 disclosed?
CVE-2026-9054 was first published in the National Vulnerability Database on May 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9054 actively exploited?
CVE-2026-9054 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9054?
CVE-2026-9054 has a CVSS v3 base score of 9.2 (NVD).
How do I remediate CVE-2026-9054?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9054, 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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