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CRITICAL severity

CVE-2020-15391 — devspace

CRITICAL

CVE-2020-15391 is a critical-severity (CVSS 9.8) Missing Authentication vulnerability in github.com/loft-sh/devspace. A fix is available for github.com/loft-sh/devspace — see the affected versions and patch details below.

DevSpace vulnerable to remote code execution

Also known asGHSA-6h8c-gw33-cjm2
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs86th percentile — riskier than 86% of all scored CVEsHighest risk
1.88%2.33%2.77%3.22%2.4%2.7%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐹github.com/loft-sh/devspace

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

The UI in DevSpace 4.13.0 allows web sites to execute actions on pods (on behalf of a victim) because of a lack of authentication for the WebSocket protocol. This leads to remote code execution.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/loft-sh/devspaceall versions4.14.0go get github.com/loft-sh/devspace@v4.14.0

Affected Products

1 product · 1 configurations
Application
devspacedevspace
1 version
4.13.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/loft-sh/devspace, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/loft-sh/devspace to 4.14.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-15391 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

The UI in DevSpace 4.13.0 allows web sites to execute actions on pods (on behalf of a victim) because of a lack of authentication for the WebSocket protocol. This leads to remote code execution.
O3 Security · Impact-Aware SCA

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CVE-2020-15391: devspace RCE — Fixed in 4.14.0