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CVE

CVE-2026-28483

OpenClaw: ZIP extraction race could write outside destination via parent symlink rebind
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CVE

CVE-2026-28483

OpenClaw: ZIP extraction race could write outside destination via parent symlink rebind

Summary

ZIP extraction in OpenClaw could be raced into writing outside the intended destination directory via parent-directory symlink rebind between validation and write.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Vulnerable versions: <= 2026.3.1
  • Latest published vulnerable version confirmed: 2026.3.1 (npm as of 2026-03-02)
  • Patched version: 2026.3.2 (released)

Technical Details

In src/infra/archive.ts, ZIP extraction previously validated output paths, then later opened/truncated the destination path in a separate step. A local race on parent-directory symlink state could redirect the final write outside the extraction root.

The fix hardens ZIP writes by binding writes to the opened file handle identity and avoiding the pre-write truncate race path, with shared fd realpath verification in src/infra/fs-safe.ts and regression coverage in src/infra/archive.test.ts.

Fix Commit(s)

  • 7dac9b05dd9d38dd3929637f26fa356fd8bdd107

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
0
-
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-r54r-wmmq-mh84, https://github.com/openclaw/openclaw/commit/7dac9b05dd9d38dd3929637f26fa356fd8bdd107, https://github.com/openclaw/openclaw

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00014%
EPSS Percentile
0.02634%
Introduced Version
0
Fix Available
2026.3.2

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