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    CVE-2026-25724

    Claude Code is an agentic coding tool. Prior to version 2.1.7, Claude Code failed to strictly enforce deny rules configured in settings.json when accessing files through symbolic links. If a user explicitly denied Claude Code access to a file (such as /etc/passwd) and Claude Code had access to a symbolic link pointing to that file, it was possible for Claude Code to read the restricted file through the symlink without triggering deny rule enforcement. This issue has been patched in version 2.1.7.

    Published:Feb 6, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 6, 2026
    EPSS Score:0.00067
    CVSS Score:7.5

    Affected Products

    Vendor
    Anthropic
    Product
    Claude Code
    Vendor
    Anthropics
    Product
    Claude Code

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
    CAPEC-104 Cross Zone Scripting
    CAPEC-127 Directory Indexing
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-17 Using Malicious Files
    CAPEC-27 Leveraging Race Conditions via Symbolic Links
    CAPEC-39 Manipulating Opaque Client-based Data Tokens
    CAPEC-402 Bypassing ATA Password Security
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-5 Blue Boxing
    CAPEC-51 Poison Web Service Registry
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-647 Collect Data from Registries
    CAPEC-668 Key Negotiation of Bluetooth Attack (KNOB)
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-77 Manipulating User-Controlled Variables
    CAPEC-87 Forceful Browsing

    Related CVEs

    CVE-2026-40068 (CVSS 7.7) — In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree c…
    CVE-2026-39861 (CVSS 7.7) — Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxe…
    CVE-2026-35603 (CVSS 5.4) — Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-w…
    CVE-2026-35022 — This CVE ID has been rejected by its CVE Numbering Authority (CNA). It was determined that the -p flag behavio…
    CVE-2026-35021 — This CVE ID has been rejected by its CVE Numbering Authority (CNA). It was determined that the affected code p…
    CVE-2026-35020 — This CVE ID has been rejected by the its CVE Numbering Authority (CNA). It was determined that the attack requ…
    CVE-2026-33068 (CVSS 7.7) — Claude Code is an agentic coding tool. Versions prior to 2.1.53 resolved the permission mode from settings fil…
    CVE-2026-25725 (CVSS 7.7) — Claude Code is an agentic coding tool. Prior to version 2.1.2, Claude Code's bubblewrap sandboxing mechanism f…
    CVE-2026-25723 (CVSS 7.7) — Claude Code is an agentic coding tool. Prior to version 2.0.55, Claude Code failed to properly validate comman…
    CVE-2026-25722 (CVSS 7.7) — Claude Code is an agentic coding tool. Prior to version 2.0.57, Claude Code failed to properly validate direct…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High