CVE-2026-49821
Last modified
CVE-2026-49821 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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, Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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, Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. This issue has been patched in version 1.24.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-49821?
How severe is CVE-2026-49821?
How do I fix CVE-2026-49821?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-49813Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7,…6.7
- CVE-2026-49814Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7,…7.2
- CVE-2026-49815Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7,…7.2
- CVE-2026-49818The Apache Airflow Samba provider's `GCSToSambaOperator` joi…6.5
- CVE-2026-49819UpSnap is a wake on lan web app. Versions 4.4.1 through 5.3.…9.8
- CVE-2026-4982A user with permission "update world" in any Venueless world…7.3
- CVE-2026-49822Fission is an open-source, Kubernetes-native serverless fram…7.7
- CVE-2026-49823Fission is an open-source, Kubernetes-native serverless fram…7.7
- CVE-2026-49824Fission is an open-source, Kubernetes-native serverless fram…8.5
- CVE-2026-4983Open VSX Registry does not sanitize SVG files uploaded as ex…5.4
- CVE-2026-49834sigstore-go is a Go library for Sigstore signing and verific…7.5
- CVE-2026-49835Sigstore Timestamp Authority is a service for issuing RFC 31…7.5
Are you affected by CVE-2026-49821?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
