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GHSA-rx3g-mvc3-qfjf

MediumCVSS 5.5 / 10
Published Mar 3, 2026·Last modified Mar 20, 2026
Affected Components(0)

No affected components available

Description

Summary

OpenClaw avatar handling allowed a symlink traversal path that could expose local files outside an agent workspace through gateway avatar surfaces.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected versions: <= 2026.2.21, plus prereleases 2026.2.21-1 and 2026.2.21-2
  • Latest published version at triage time (2026-02-22): 2026.2.21-2 (affected)
  • Planned patched version (pre-set for release workflow): 2026.2.22

Details

In vulnerable builds, local avatar resolution could follow symlinks and return file bytes from outside the configured workspace boundary.

The issue was hardened in two paths:

  1. Gateway avatar metadata resolution now enforces canonical containment, O_NOFOLLOW, and fd/file-identity checks.
  2. Control UI avatar serving now rejects symlink paths and enforces fd/file-identity and size checks before reads.

Fix Commit(s)

  • 3d0337504349954237d09e4d957df5cb844d5e77
  • 6970c2c2db3ee069ef0fff0ade5cfbdd0134f9d2

Release Process Note

patched_versions is pre-set to >= 2026.2.22 so after npm release, the remaining action is to publish this advisory.

Impact

Confidentiality impact only: local files readable by the OpenClaw process could be disclosed via avatar response surfaces.

OpenClaw thanks @tdjackey for reporting.

Risk Scores
Base Score
5.5

The vulnerability requires local access to the device to be exploited. 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. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.

Threat Intelligence
5.1

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

EPSS
0.33%

The exploit probability is very low. The vulnerability is unlikely to be exploited in 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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