CVE-2024-39690: Capsule is a multi-tenancy and policy-based framework for Kubernetes

Q: How do I fix CVE-2024-39690?

capsule: upgrade to newer than 0.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-39690 being exploited?

CVE-2024-39690 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-39690 affect?

CVE-2024-39690 affects capsule. Severity is high (CVSS 8.4). Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference fi

Q: How urgent is CVE-2024-39690?

Priority 51/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 8.4WATCHLISTUPGRADE

CVE-2024-39690 is a high-severity flaw (CVSS 8.4) affecting capsule. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace. Version 0.7.1 contains a patch.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-863
Published	2024-08-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: projectcapsule

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-20 15:15 UTCPublished CVE record published
2026-06-17 07:42 UTCUpdated Record last modified

projectcapsule capsule UPGRADE

Affected: <= 0.7.0

Fixed in: newer than 0.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy capsule || rpm -q capsule || capsule --version

2. UPGRADE to newer than 0.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade capsule

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade capsule

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-39690?

capsule: upgrade to newer than 0.7.0. Exact commands for each OS are on this page.

Is CVE-2024-39690 being exploited?

CVE-2024-39690 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-39690 affect?

CVE-2024-39690 affects capsule. Severity is high (CVSS 8.4). Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference fi

How urgent is CVE-2024-39690?

Priority 51/100. High severity; Public exploit reference; On your watchlist

Software pages

Kubernetes vulnerabilities

Related CVEs

CVE-2026-22872 CRITICAL 9.1 UPGRADE Capsule is a multi-tenancy and policy-based framework for Kubernetes
CVE-2026-30963 LOW 3.9 UPGRADE Capsule is a multi-tenancy and policy-based framework for Kubernetes
CVE-2023-46254 MEDIUM 4.3 UPGRADE UPGRADE capsule-proxy is a reverse proxy for Capsule kubernetes multi-tenancy framework

References

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