anthropics / anthropics/claude-code

[Bug][cyber] Safeguard block when reading local documentation files for terminology updates (req_011Cee2j79v2s4YxEMLDm7wT)

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api:anthropic area:model area:security bug duplicate platform:linux
Dominant language
Python
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Description

**Triage:** kind `cyber` · domain `offensive-pentest` · 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):** `offensive-pentest`

### Why this is a false positive
The cyber safeguard triggered on request ID req_011Cee2j79v2s4YxEMLDm7wT while the assistant inspected local documentation files to catalog existing terms. The task involved reading local repository text files to reword documentation into standardized enterprise terminology. Flagging passive file reads during documentation updates halts routine repository maintenance.

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 2026-09-02T05:05:36.391Z.

### Request IDs (lookup-able server-side)
- `req_011Cee2j79v2s4YxEMLDm7wT` (2026-09-02T05:05:36.391Z)

### 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_011Cee2j79v2s4YxEMLDm7wT

**Environment:** Claude Code, Linux. · **Work domain:** `offensive-pentest`

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🔎 Filed automatically by [ClAudit v2.2.5](https://github.com/sworrl/ClAudit) — a FOSS tool for reporting false-positive Claude Code blocks.

Contributor guide

No contributing guide indexed for this repository

Research direction

No repository file, test, or code entry point is named. Start by reviewing the cited Request ID and the Claude Code safeguard behavior; done would mean confirming whether passive local-documentation reads are incorrectly blocked and recording a reproducible outcome.

Written by the indexing model from the issue text.

Assessment

Domain
documentation, security
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
25/100

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