{"id":"CVE-2026-55882","aliases":["GHSA-p749-9w62-w533","GO-2026-5533"],"url":"https://o3.security/vulnerability/CVE-2026-55882","summary":"Tilt: Unauthenticated pprof debug endpoints on the Tilt HUD server","details":"## Summary\nThe Tilt HUD server mounts Go's `net/http/pprof` handlers under `/debug` with no access control. When the HUD is network-exposed, an attacker can read process memory — including session and apiserver tokens — and hold the process under profiling.\n\n## Details\nA blank import of `net/http/pprof` registers its handlers on `http.DefaultServeMux`, which the HUD controller mounts under `/debug` on both the web router and the apiserver listener. `/debug/pprof/heap` and `/goroutine` expose process memory, including the session token (also issued in the `Tilt-Token` cookie) and the apiserver loopback bearer token; `/profile` and `/trace` let a caller sample the process for an arbitrary duration.\n\n## Impact\nAn unauthenticated caller who can reach the listener can extract process memory — including the session and apiserver tokens — and degrade performance by holding the process under CPU profiling or tracing. The leaked tokens compound the missing-authentication finding on the same server.\n\n### Conditions for exploitation\n- Affected version in `>= 0.19.5, <= 0.37.3`.\n- HUD (or apiserver) listener bound to a non-loopback address (`tilt up --host 0.0.0.0`, or `TILT_HOST` set).\n- Network reachability to the listener (default port `10350`).\n\n### Not affected\n- The default loopback-only bind is not reachable from the network.\n\n## Workarounds\nUse the default loopback bind (omit `--host`, unset `TILT_HOST`) so `/debug` is not remotely reachable. No complete workaround short of upgrading for non-loopback deployments.","published":"2026-07-10T21:37:12.245Z","modified":"2026-08-12T03:51:39.121947164Z","cvss":null,"epss":{"score":0.00524,"percentile":0.43223,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/tilt-dev/tilt","fixedVersion":"0.37.4"}],"fix":{"url":"https://github.com/tilt-dev/tilt/commit/47393fba7f6ef5e305d5e814551feef8e4acbc0a","label":"tilt-dev/tilt@47393fb"},"references":[{"type":"WEB","url":"https://github.com/tilt-dev/tilt/releases/tag/v0.37.4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55882.json"},{"type":"ADVISORY","url":"https://github.com/tilt-dev/tilt/security/advisories/GHSA-p749-9w62-w533"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55882"},{"type":"FIX","url":"https://github.com/tilt-dev/tilt/commit/47393fba7f6ef5e305d5e814551feef8e4acbc0a"},{"type":"FIX","url":"https://github.com/tilt-dev/tilt/pull/6776"},{"type":"PACKAGE","url":"https://github.com/tilt-dev/tilt"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:39.121947164Z"}}