CVE-2026-27976
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Zed, a code editor, has an extension installer allows tar/gzip downloads. Prior to version 0.224.4, the tar extractor (async_tar::Archive::unpack) creates symlinks from the archive without validation, and the path guard (writeable_path_from_extension) only performs lexical prefix checks without resolving symlinks. An attacker can ship a tar that first creates a symlink inside the extension workdir pointing outside (e.g., escape -> /), then writes files through the symlink, causing writes to arbitrary host paths. This escapes the extension sandbox and enables code execution. Version 0.224.4 patches the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| zed-industries | zed | < 0.224.4 | affected |
Weaknesses
- CWE-61: CWE-61: UNIX Symbolic Link (Symlink) Following
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: total
References
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