CVE-2026-49824
CVE-2026-49824 is a high-severity vulnerability with a CVSS 3.x base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: High (CVSS 3.x base score 8.5)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36097
- Weakness: CWE-284
- Published:
- Last modified:
Description
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 Fission Function admission webhook (pkg/webhook/function.go) validated that spec.secrets[].namespace and spec.configmaps[].namespace equalled the function's own namespace but performed no equivalent check on spec.environment.namespace. This issue has been patched in version 1.24.0.
Frequently asked questions
- What is CVE-2026-49824?
- 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 Fission Function admission webhook (pkg/webhook/function.go) validated that spec.secrets[].namespace and spec.configmaps[].namespace equalled the function's own namespace but performed no equivalent check on spec.environment.namespace. This issue has been patched in version 1.24.0.
- How severe is CVE-2026-49824?
- CVE-2026-49824 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2026-49824 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-49824?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-49824 have an EU (EUVD) identifier?
- Yes. CVE-2026-49824 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36097.
- When was CVE-2026-49824 published?
- CVE-2026-49824 was published on 2026-06-10 and last updated on 2026-06-17.
References
- https://github.com/fission/fission/pull/3389
- https://github.com/fission/fission/releases/tag/v1.24.0
- https://github.com/fission/fission/security/advisories/GHSA-cvw6-gfvv-953q
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