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7.1

CVE-2026-27967: Zed editor can read/write files outside project

CVE-2026-27967 · published 8 months ago
Summary

Older versions of the Zed code editor let a special file tool open or change any file on the computer if a project contains a shortcut that points elsewhere. This could expose private files to the editor or any connected services. Update Zed to version 0.225.9 or later to stop the behavior.

What to do
  • Update zed zed to version 0.225.9 or later.
Affected software
VendorProductAffected versions
zed zed < 0.225.9
cpe:2.3:a:zed:zed:*:*:*:*:*:*:*:*
Original advisory text
Symlink Escape in Agent File Tools
Zed, a code editor, has a symlink escape vulnerability in versions prior to 0.225.9 in Agent file tools (`read_file`, `edit_file`). It allows reading and writing files **outside the project directory** when a project contains symbolic links pointing to external paths. This bypasses the intended workspace boundary and privacy protections (`file_scan_exclusions`, `private_files`), potentially leaking sensitive user data to the LLM. Version 0.225.9 fixes the issue.
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
7.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-59Link Following
Timeline
Published25 Feb 2026
Updated4 Nov 2026
First seen6 Mar 2026
Sources
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