🛡️ CVE-2025-54795 — claude-code

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-78 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Claude Code echo command allowed bypass of user approval prompt for command execution

Due to an error in command parsing, it was possible to bypass the Claude Code confirmation prompt to trigger execution of an untrusted command. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window.

Users on standard Claude Code auto-update received this fix automatically after release. Current users of Claude Code are unaffected, as versions prior to 1.0.24 are deprecated and have been forced to update.

Thank you to Elad Beber (Cymulate) for reporting this issue!

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-54795 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2025-54795 is recorded against 2 packages.

  • @anthropic-ai/claude-code
  • claude-code (fixed in 1.0.20)

Timeline and source

Published on 4 August 2025 and last revised on 5 August 2025. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Package)

Details

Severity HIGH
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2025-08-04
Updated 2026-08-12
Modified 2025-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
@anthropic-ai/claude-code — —
claude-code — 1.0.20

Similar Threats

Exploit Protection

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CVE-2025-54795 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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