Incorrect Authorization Affecting github.com/projectcapsule/capsule/pkg/webhook/namespace/validation package, versions <0.10.4
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-GITHUBCOMPROJECTCAPSULECAPSULEPKGWEBHOOKNAMESPACEVALIDATION-12082320
- published21 Aug 2025
- disclosed18 Aug 2025
- creditUnknown
Introduced: 18 Aug 2025
CVE-2025-55205 Â (opens in a new tab)How to fix?
Upgrade github.com/projectcapsule/capsule/pkg/webhook/namespace/validation to version 0.10.4 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the OnUpdate function in the patch.go file. An attacker can gain unauthorized access to system namespaces and potentially escalate privileges by injecting arbitrary labels into protected namespaces through authenticated actions by tenant users.