CVE-2026-33574: OpenClaw < 2026.3.8 - Path Traversal via Tools Root Rebinding in Skills Download
OpenClaw before 2026.3.8 contains a path traversal vulnerability in the skills download installer that validates the tools root lexically but reuses the mutable path during archive download and copy operations. A local attacker can rebind the tools-root path between validation and final write to redirect the installer outside the intended tools directory.
Security readout for executives and security teams
Plain-English summary
OpenClaw versions before 2026.3.8 have a local installer flaw that can let an attacker redirect skill installation writes outside the intended tools directory. This is mainly a concern on shared systems, build hosts, or developer workstations where untrusted local users or processes can interfere with installation paths.
Executive priority
Treat this as a moderate-priority upgrade for developer, CI, and shared workstation environments. It is not reported as actively exploited, but local path-redirection flaws can undermine trust in tooling and installation boundaries.
Technical view
The skills download installer validates the tools root lexically, then reuses a mutable path during archive download and copy operations. A local attacker can rebind that path after validation and before final write, creating a time-of-check/time-of-use path traversal condition. The CVSS vector is local, low complexity, no privileges, no user interaction, with high confidentiality impact.
Likely exposure
Exposure is likely limited to systems running OpenClaw before 2026.3.8 where skills downloads are used and a local attacker can manipulate the tools-root path during installation.
Exploitation context
The source bundle does not cite known active exploitation, and KEV is false. Exploitation is local, not remote, and depends on racing or rebinding the tools-root path during installer activity.
Researcher notes
The provided evidence supports a CWE-367 time-of-check/time-of-use issue in the skills installer. The source bundle names 2026.3.8 as the fixed boundary, but does not provide exploit telemetry. Avoid assuming remote reachability or additional affected products.
Mitigation direction
Upgrade OpenClaw to 2026.3.8 or later.
Review the GitHub advisory and patch commit for vendor guidance.
Restrict local access to systems that run OpenClaw installers.
Run installation workflows with least necessary filesystem privileges.
Monitor for unexpected writes outside the configured tools directory.
Validation and detection
Inventory OpenClaw installations and flag versions before 2026.3.8.
Identify hosts or CI jobs that perform skills downloads.
Confirm tools-root paths are owned by trusted users only.
Review recent installer activity for unexpected filesystem writes.
Verify upgraded deployments use the patched installer behavior.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-367: Exact CWE lookup
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The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-367 · source CWE mapping
Time-of-check Time-of-use (TOCTOU) Race Condition
Time-of-check Time-of-use (TOCTOU) Race Condition represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.