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GHSA-jxrq-8fm4-9p58

HighCVSS 7.1 / 10
Published Mar 3, 2026·Last modified Mar 4, 2026
Affected Components(0)

No affected components available

Description

Summary

A path confinement bypass in OpenClaw ZIP extraction allowed writes outside the intended destination when a pre-existing symlink was present under the extraction root.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version at triage time: 2026.2.21-2
  • Affected versions: <= 2026.2.21-2
  • Planned patched version for next release: 2026.2.22

Technical Details

The vulnerable path was in src/infra/archive.ts ZIP extraction logic. Output-path checks were lexical, but writes could still traverse an existing symlink in destination path segments.

The fix blocks this by:

  • rejecting symlink traversal in destination path segments,
  • validating resolved destination paths remain inside the extraction root,
  • using no-follow file opens for ZIP output writes where supported,
  • adding a regression test for pre-seeded destination symlink traversal.

Impact

  • Type: Arbitrary file write outside extraction root via symlink traversal during ZIP extraction.
  • Preconditions: attacker-controlled archive extraction plus pre-existing symlink in destination path.

Fix Commit(s)

  • 4b226b74f5fd3b106a83a6347fd404172e2fd246

Release Process Note

Patched version is pre-set to the planned next release (2026.2.22). Once npm release 2026.2.22 is published, the advisory can be published without further field edits.

OpenClaw thanks @tdjackey for reporting.

Risk Scores
Base Score
7.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
4.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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High severity
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