Warden weekly sweep

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Warden Scheduled Scan Results

Run: 2026-08-31T07:50:01.539Z
Commit: e6ef59b

Summary

Severity	Count
Medium	5
Low	1

Findings

src/benchmarks/claude-ui/preflight-commands.ts

• NL3-W9X Timeout race condition can falsely report preflight commands as timed out (L66-L82) · medium
  The timeout callback sets timedOut = true unconditionally before checking whether the child process already exited, so commands that finish just before the deadline can resolve with exit code 143 and timedOut: true instead of their actual exit code.

src/benchmarks/claude-ui/simulator-lifecycle.ts

• EFH-ZLC runLoggedCommand has no subprocess timeout causing indefinite hangs (L268) · medium
  runLoggedCommand has no timeout, so a hung subprocess will block the benchmark suite forever.
• 3SY-6C9 runLoggedCommand close handler loses command result when logging fails (L311) · medium
  When appendLifecycleLog fails after a command exits, .catch(reject) hides the command result and can leak created simulators.

src/benchmarks/claude-ui/transcript.ts

• 6MS-BEV Infinite loop in commandPrefixOffsets with empty prefix (L217) · medium
  When prefix is an empty string the while loop never terminates because start is incremented by zero.
• PZX-7W2 Unvalidated RegExp construction from user-supplied patterns (L135) · medium
  createPatternMatchers compiles strings directly into RegExp without validation or escaping, risking SyntaxError on invalid patterns and ReDoS on malicious regex input.

src/cli/commands/daemon.ts

• XA8-S47 handleLogs reads entire log file into memory before tailing (L258-L271) · low
  handleLogs loads the full daemon log file with readFileSync before extracting the last N lines. The daemon rotates logs at 10 MB on startup (MAX_LOG_BYTES = 10 * 1024 * 1024 with MAX_LOG_ROTATIONS = 3), which limits the typical active log size, but rotation does not run continuously during a session. A long-running daemon with verbose logging can still accumulate a large active log, and the synchronous full-file read is inefficient even for smaller files because most of the content is immediately discarded by the tail slice.

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