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CVE-2026-54316

Claude Code is an agentic coding tool. From 0.2.54 until 2.1.163, because the hostname huggingface.co was pre-approved as a bare hostname for the WebFetch tool, any path on that domain—including attacker-controlled model repositories—was auto-approved without a permission prompt or being subject to --allowedTools restrictions. An attacker able to inject untrusted content into a Claude Code context could direct it to issue WebFetch requests against attacker-controlled repository files (e.g. /res
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:510e69f781befb01529bfda7675ea25b7c453bce4947160512e70d0d40862d56
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-515","description":"CWE-515: Covert Storage Channel","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-183","description":"CWE-183: Permissive List of Allowed Inputs","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"claude-code","vendor":"anthropics","versions":[{"status":"affected","version":">= 0.2.54, < 2.1.163"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-515","description":"CWE-515: Covert Storage Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-183","description":"CWE-183: Permissive List of Allowed Inputs","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/anthropics/claude-code/security/advisories/GHSA-fg94-h982-f3mm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/anthropics/claude-code/security/advisories/GHSA-fg94-h982-f3mm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0dee115fa665bffa8495272c367a69cd8576a9ae77cbb642e80b29db851b6b91 · sha256:97513c9c85ad17e9… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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