[Bug][cyber] False positive on rotating hardcoded secret keys and updating signing certs (req_011CeHjhJdNEc6SsqcmHyCSv)

Triage: kind cyber · domain crypto-secrets · flagging model Opus 4.8 · severity session-halted (blocked authorized work) · reproducible: yes — server-side via the Request ID(s) below

Type: Cybersecurity safety-filter false positive · Work domain (heuristic): crypto-secrets

Why this is a false positive

The automated cyber safeguard blocked a session while refactoring an authentication service to remove hardcoded default credentials. The requested task involved replacing a static shared secret with certificate-based signing and rotating an internal encryption key. This work remediates an internal security defect in an existing codebase rather than developing an exploit.

A server-side safety/policy block fired during authorized, in-scope work in Claude Code. Filing as a false positive. Recurred 1× across 1 session(s); first seen 2026-08-22T11:50:47.694Z.

Request IDs (lookup-able server-side)

• req_011CeHjhJdNEc6SsqcmHyCSv (2026-08-22T11:50:47.694Z)

In-scope justification

False positive — in-scope, authorized security work; not out of scope. Filed automatically by claudit.

Block message

API Error: Opus 4.8's safeguards flagged this message. Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate cybersecurity work. Apply to the Cyber Verification Program to reduce these interruptions. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/14604842-real-time-cyber-safeguards-on-claude

Details: [cyber]

Request ID: req_011CeHjhJdNEc6SsqcmHyCSv

Environment: Claude Code, Linux. · Work domain: crypto-secrets

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_{🔎 Filed automatically by ClAudit v2.2.5 — a FOSS tool for reporting false-positive Claude Code blocks.}