CVE-2026-50569

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 87% 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, secondary
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: 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 1.25.0, HTTPTriggerSpec.Validate() validated Methods, FunctionReference, Host, IngressConfig, and CorsConfig, but silently skipped RelativeURL and Prefix. Those two fields were validated at the CLI level only (pkg/fission-cli/cmd/httptrigger/create.go:83). The post-CRD-modernization webhook for HTTPTrigger was retired in favor of API-server CEL — and CEL had no rules on those fields either — so an HTTPTrigger created via kubectl apply or a direct Kubernetes REST API call bypassed every URL-level check. This issue has been patched in version 1.25.0.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
13.4%
KEV
Not listed

Published

June 10, 2026

Last Modified

June 10, 2026

Advisory Details (3)

Auto-updated Jun 17, 2026
🔬 Proof of concept available. Patch available. Sources: github_pr, github_release, github.
github Patch Available🟡 PoC Available

HTTPTrigger admission omits RelativeURL / Prefix validation; kubectl apply bypasses CLI checks · Advisory · fission/fission · GitHub

https://github.com/fission/fission/security/advisories/GHSA-vchh-r53j-8mpw
github_release Patch Available

v1.25.0

Patch available: fission/fission v1.25.0

https://github.com/fission/fission/releases/tag/v1.25.0
github_pr

fix(httptrigger): enforce path-safety at admission (GHSA-vchh)

Fix merged in fission/fission PR #3464 on 2026-06-04 — awaiting tagged release

https://github.com/fission/fission/pull/3464

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 74× 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. 2026-07-15 19:51 UTCEG score recompute
  2. 2026-07-15 16:57 UTCEPSS rescore
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  15. 2026-07-10 18:40 UTCEG score recompute
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  1. 2026-07-06 02:23 UTCEPSS rescore
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  3. 2026-07-05 02:30 UTCEPSS rescore
  4. 2026-07-04 19:21 UTCEG score recompute
  5. 2026-07-04 06:31 UTCEPSS rescore
  6. 2026-07-03 21:14 UTCEG score recompute
  7. 2026-07-02 23:16 UTCEG score recompute
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  9. 2026-07-01 15:07 UTCEPSS rescore
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  13. 2026-06-29 14:06 UTCEPSS rescore
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  15. 2026-06-29 06:47 UTCEG score recompute
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  20. 2026-06-27 10:13 UTCEG score recompute
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  22. 2026-06-26 12:14 UTCEG score recompute
  23. 2026-06-25 13:49 UTCEPSS rescore
  24. 2026-06-25 12:16 UTCEG score recompute
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  26. 2026-06-24 14:05 UTCEPSS rescore
  27. 2026-06-23 21:33 UTCEPSS rescore
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  29. 2026-06-23 16:19 UTCEG score recompute
  30. 2026-06-22 18:19 UTCEG score recompute
  31. 2026-06-22 14:25 UTCEPSS rescore
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  33. 2026-06-21 19:24 UTCEG score recompute
  34. 2026-06-21 14:56 UTCEPSS rescore
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  36. 2026-06-21 01:59 UTCEPSS rescore
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  38. 2026-06-20 21:24 UTCEG score recompute
  39. 2026-06-19 23:25 UTCEG score recompute
  40. 2026-06-19 19:26 UTCEPSS rescore
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  42. 2026-06-19 01:21 UTCEG score recompute
  43. 2026-06-18 17:52 UTCEPSS rescore
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  45. 2026-06-18 03:15 UTCEG score recompute
  46. 2026-06-17 17:53 UTCEPSS rescore
  47. 2026-06-17 05:15 UTCEG score recompute
  48. 2026-06-16 17:53 UTCEPSS rescore
  49. 2026-06-16 07:16 UTCEG score recompute
  50. 2026-06-15 17:49 UTCEPSS rescore
  51. 2026-06-15 17:49 UTCEPSS rescore
  52. 2026-06-15 09:16 UTCEG score recompute
  53. 2026-06-14 23:18 UTCEPSS rescore
  54. 2026-06-14 11:14 UTCEG score recompute
  55. 2026-06-13 23:00 UTCEPSS rescore
  56. 2026-06-13 13:15 UTCEG score recompute
  57. 2026-06-12 23:12 UTCEPSS rescore
  58. 2026-06-12 23:12 UTCEPSS rescore
  59. 2026-06-12 15:15 UTCEG score recompute
  60. 2026-06-11 17:16 UTCEG score recompute
  61. 2026-06-11 14:00 UTCEPSS rescore
  62. 2026-06-10 19:18 UTCEG score recompute
  63. 2026-06-10 19:18 UTCNVD updatefirst tracked

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Frequently asked(5)

What is CVE-2026-50569?
CVE-2026-50569 is a medium 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 1.25.0, HTTPTriggerSpec.Validate() validated Methods, FunctionReference, Host, IngressConfig, and CorsConfig, but silently skipped…
When was CVE-2026-50569 disclosed?
CVE-2026-50569 was first published in the National Vulnerability Database on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50569 actively exploited?
CVE-2026-50569 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50569?
CVE-2026-50569 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-50569?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50569, 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.

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