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CVE-2026-54316

🗓️ 23 Jun 2026 17:06:16Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 471 Views🌐 WEB

CVE-2026-54316: Out-of-band data exfiltration via HuggingFace domain in Claude Code WebFetch, fixed in 2.1.163.

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Node
anthropicclaude_codeRange0.2.54–2.1.163node.js
[
  {
    "vendor": "anthropics",
    "product": "claude-code",
    "versions": [
      {
        "version": ">= 0.2.54, < 2.1.163",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
pathpath/resolve/main/config.jsonThe WebFetch tool auto-approves any path on huggingface.co, allowing an attacker to use the tool to make out-of-band requests to attacker-controlled repositories to exfiltrate data.CWE-183, CWE-200, CWE-515

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25 Oct 2026 23:10Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.1
CVSS 46
EPSS0.0052
SSVC
471