intelligence_src_c25d91fa3ad9ae9ac7
- Source-provided label
- Publisher RSS metadata
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Aug 01, 2023 22:15 UTC
- Retrieved
- Oct 13, 2026 14:55 UTC
Anthropic Claude Data Exfiltration Vulnerability Fixed
A common attack vector that LLM apps face is data exfiltration, in particular data exfiltration via Image Markdown Injection is a common vulnerability. Microsoft fixed the vulnerability in Bing Chat, ChatGPT is still vulnerable as Open AI “won’t fixed” the issue, and Anthropic just mitigated this vulnerability in Claude. This post documents the Anthropic Claude data exfiltration vulnerability and the mitigation put in place. The Vulnerability - Image Markdown Injection As a quick recap, imagine a large language model (LLM) returns the following text:
Reference details
- Source category
- research-report
- First reported
- Aug 01, 2023 22:15 UTC
- Last reported
- Aug 01, 2023 22:15 UTC
- Catalog updated
- Oct 13, 2026 14:55 UTC
- Record ID
f92bca81b978b6d9de0e5fa74a8e34259a8f7ca0fb0b936ce9590a92e8ffc41b
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1 sources: 0 stale, 0 needing attention, 0 paused, 0 unverified.
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