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GO-2026-6519
Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation in github.com/projectcapsule/capsule
Quick fix
GO-2026-6519 — github.com/projectcapsule/capsule: upgrade to the fixed version with the command below.
go get github.com/projectcapsule/capsule@v0.13.7Details
Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation in github.com/projectcapsule/capsule
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/projectcapsule/capsule
Introduced in:
0.13.0Fixed in: 0.13.7Fix
go get github.com/projectcapsule/capsule@v0.13.7References
- https://github.com/projectcapsule/capsule/security/advisories/GHSA-f94q-w3w8-cj67[ADVISORY]
- https://github.com/projectcapsule/capsule/commit/8d89d6865df6f41c7faa22fc9e807a57b01bfd0e[FIX]
- https://github.com/projectcapsule/capsule/pull/1983[FIX]
- https://github.com/projectcapsule/capsule/releases/tag/v0.13.7[WEB]