Vulnerability Intelligence Report
@anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
CVE-2025-64755
Claude Code is an agentic coding tool. Prior to version 2.0.31, due to an error in sed command parsing, it was possible to bypass the Claude Code read-only validation and write to arbitrary files on the host system. This issue has been patched in version 2.0.31.
No Active Exploit Signals
CVSS Base Score
8.7
HIGH
EPSS Probability:0.39%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
0.394%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2025-11-10T22:29:34 |
| Published | 2025-11-21T01:13:05 |
| Last Updated | 2025-11-24T18:13:06 |
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