CVE-2026-63406: AnyCable: Telemetry Subsystem Contains Hardcoded Authentication Token and Transmits CLI Arguments Including Secrets

September 18, 2026

The telemetry subsystem embeds a hardcoded auth token ("secret") in the public source and transmits raw CLI arguments—including --secret, --jwt_secret, and --http_rpc_secret values—to a third-party telemetry endpoint.

References

github.com/advisories/GHSA-w72w-9qmj-c9qm
github.com/anycable/anycable/commit/201c67e99e463ed63bd6b345562f4c458385fcee
github.com/anycable/anycable/releases/tag/v1.6.15
github.com/anycable/anycable/security/advisories/GHSA-w72w-9qmj-c9qm
nvd.nist.gov/vuln/detail/CVE-2026-63406

Code Behaviors & Features

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