CVE-2026-50545

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 78% 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: cna:github_m, epss
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

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

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous fields into the generated pods. This issue has been patched in version 1.24.0.

CVSS v3
9.9
EG Score
9.9(medium)
EPSS
21.7%
KEV
Not listed

Published

June 10, 2026

Last Modified

June 12, 2026

Advisory Details (4)

Auto-updated Jul 4, 2026
Patch available. Sources: github, github_pr, github_release.
github_release Patch Available

v1.24.0

Patch available: fission/fission v1.24.0 (pre-release)

https://github.com/fission/fission/releases/tag/v1.24.0
github_pr

Reject dangerous PodSpec fields in Environment + Function (GHSA-gx55,…

Fix merged in fission/fission PR #3391 on 2026-05-23 — awaiting tagged release

https://github.com/fission/fission/pull/3391
github_pr

Drop fission-builder SA token from user builder container (GHSA-8wcj)

Fix merged in fission/fission PR #3390 on 2026-05-23 — awaiting tagged release

https://github.com/fission/fission/pull/3390
github Patch Available

Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover · Advisory · fission/fission · GitHub

https://github.com/fission/fission/security/advisories/GHSA-wmgg-3p4h-48x7

Vendor Advisories for CVE-2026-50545(1)

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

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 33× in last 7d / 165× 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 165 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-50545?
CVE-2026-50545 is a critical vulnerability published on June 10, 2026. Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous…
When was CVE-2026-50545 disclosed?
CVE-2026-50545 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on June 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50545 actively exploited?
CVE-2026-50545 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50545?
CVE-2026-50545 has a CVSS v4.0 base score of 9.9 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50545?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50545, 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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