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CVE PROGRAM SOURCE RECORD9.2 Critical

CVE-2026-55884

Tilt: Missing authentication on the network-exposed Tilt HUD server

Description

Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.20.8 through 0.37.3, the Tilt HUD HTTP server registers handlers on a gorilla/mux router with no authenticating middleware. When the HUD is bound to a non-loopback address, an unauthenticated network caller can trigger developer-defined resources, tamper with Tiltfile arguments, read full engine state including the session token, and invoke apiserver resources through the token-attaching /proxy handler. This issue is fixed in version 0.37.4.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

tilt-dev tilt

  • >= 0.20.8, < 0.37.4affected

References