Last seen November 4, 2025

AI Security Incident

Evidence indicates that Claude is affected by a security issue.

Technical Severity
Low severity
Lifecycle Status

DEVELOPING

Sources

What Happened

Evidence indicates that Claude is affected by a security issue.

Why This Matters

Current evidence identifies a security issue involving Claude, but does not yet support a more specific impact claim.

Recommended Action

No confirmed vendor remediation is available in the current evidence. Confirm whether Claude is present in your environment and review the affected configuration.

Exposure

Recommended Response
First Seen

Oct 31, 2025 05:30

Last Seen

Nov 04, 2025 05:30

Exploitation status: UNKNOWN

Primary entities:

Anthropic Claude Data Leakage Prompt Injection

Timeline

  • Incident first seen
    Oct 31, 2025 05:30

    BugSkan first recorded this incident.

  • Claude AI vulnerability exposes enterprise data through code interpreter exploit - csoonline.com
    Oct 31, 2025 05:30

    csoonline.com · Vulnerability

  • Hackers Turn Claude AI Into Data Thief With New Attack - eSecurity Planet
    Nov 04, 2025 05:30

    esecurityplanet.com · Data Leak

  • Latest observed development
    Nov 04, 2025 05:30

    Most recent source or update associated with this incident.

  • Material change
    Aug 18, 2026 14:07

    REVIEW -> WATCH

  • Material change
    Aug 18, 2026 14:07

    recommended action updated

  • Material change
    Aug 18, 2026 14:07

    why it matters updated

  • Material change
    Aug 18, 2026 14:07

    severity 4.0 -> 6.2

Sources

Claude AI vulnerability exposes enterprise data through code interpreter exploit - csoonline.com

csoonline.com · Oct 31, 2025 05:30

A vulnerability in Anthropic's Claude AI allows attackers to leverage indirect prompt injection against its code interpreter feature. This exploit enables the exfiltration of sensitive enterprise data by uploading it to attacker-controlled accounts via Claude’s API, bypassing default network access controls.

Open publisher source
Hackers Turn Claude AI Into Data Thief With New Attack - eSecurity Planet

esecurityplanet.com · Nov 04, 2025 05:30

A novel indirect prompt injection attack allows threat actors to compromise Anthropic's Claude AI Code Interpreter, leveraging its network features to exfiltrate sensitive user chat data. This exploit bypasses default network settings by tricking Claude into uploading sandbox-stored user information directly to an attacker's account via Anthropic's own APIs.

Open publisher source

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