[Bug][cyber] Safeguard blocks retrieving desktop application installer from remote session (req_011CePzuRJJyQJ95rihuHoTJ)

Triage: kind cyber · domain general · 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): general

Why this is a false positive

The safeguard triggered during a prompt asking to locate and copy an application installer file from a remote desktop session. The prompt requested routine software binary retrieval without exploit execution or credential theft logic. The broad cyber safeguard rule halted the session immediately upon processing the file transfer request.

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 2026-08-25T19:13:30.523Z.

Request IDs (lookup-able server-side)

• req_011CePzuRJJyQJ95rihuHoTJ (2026-08-25T19:13:30.523Z)

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_011CePzuRJJyQJ95rihuHoTJ

Environment: Claude Code, Linux. · Work domain: general

Related reports (same work session, linked)

Distinct false-positive blocks from the same work session, each its own report:
#90839

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