Missing Authentication for Critical Function Affecting github.com/loft-sh/devspace/pkg/devspace/server package, versions >=6.3.20 <6.3.21
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMLOFTSHDEVSPACEPKGDEVSPACESERVER-16787300
- published21 May 2026
- disclosed6 May 2026
- creditb0b0haha
Introduced: 6 May 2026
NewCVE-2026-42283 (opens in a new tab)How to fix?
Upgrade github.com/loft-sh/devspace/pkg/devspace/server to version 6.3.21 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the UI server WebSocket. An attacker can gain unauthorized access to sensitive endpoints, such as streaming real-time pod logs, opening an interactive shell inside a running pod, or executing pre-defined pipeline commands, by establishing a cross-origin WebSocket connection from a malicious website when a user is running the UI server and browsing the internet simultaneously.