# CVE-2026-43529: OpenClaw < 2026.4.10 - Time-of-Check-Time-of-Use (TOCTOU) Race Condition in exec Script Preflight Validator

> Local attackers can bypass workspace boundary checks via a race condition in the script validator, allowing unauthorized file access.

- **Severity:** Low 2.0 (`CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 5 May 2026
- **Updated:** 5 May 2026
- **Also known as:** GHSA-gj9q-8w99-mp8j, MINI-8999-p9pg-5jgx

## What is CVE-2026-43529?

CVE-2026-43529 is a low-severity vulnerability in Openclaw Openclaw, published on 5 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

OpenClaw before 2026.4.10 contains a time-of-check-time-of-use vulnerability in the validateScriptFileForShellBleed function that allows local attackers to bypass workspace boundary checks. An attacker with workspace write access can race-condition swap the target file between validation and preflight read, causing the validator to inspect a different file identity than the one that passed the initial boundary check.

Weakness: CWE-367 (Time-of-check Time-of-use (TOCTOU) Race Condition)

## Which versions are affected by CVE-2026-43529?

2 open source packages ship an affected version, including openclaw. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `openclaw` | npm | All versions | 2026.4.10 |
| `openclaw` | npm | All versions | 2026.4.10 |

Products: Openclaw Openclaw.

## How do I fix CVE-2026-43529?

Upgrade openclaw to 2026.4.10 or later.

## Is CVE-2026-43529 being exploited?

There is no known exploitation of CVE-2026-43529 in the wild and no public exploit code.

## Other vulnerabilities in Openclaw Openclaw

- [CVE-2026-28363](https://insights.sbomify.com/CVE-2026-28363/): Security feature bypass in OpenClaw (critical 9.9)
- [CVE-2026-30741](https://insights.sbomify.com/CVE-2026-30741/): Code injection in n/a (critical 9.8)
- [CVE-2026-33579](https://insights.sbomify.com/CVE-2026-33579/): OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval (critical 9.4)
- [CVE-2026-32922](https://insights.sbomify.com/CVE-2026-32922/): OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate (critical 9.4)
- [CVE-2026-32978](https://insights.sbomify.com/CVE-2026-32978/): OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners (critical 9.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-43529 and fix it if it is affected.

What it is: CVE-2026-43529 is a low-severity vulnerability in Openclaw Openclaw, published on 5 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-43529 in the wild and no public exploit code.

Affected packages and fixed versions:
- openclaw (npm): affected all versions; fixed in 2026.4.10
- openclaw (npm): affected all versions; fixed in 2026.4.10

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-43529/ (Markdown: https://insights.sbomify.com/CVE-2026-43529/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-43529
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-43529
- OSV: https://osv.dev/vulnerability/CVE-2026-43529

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-43529/
Summaries are generated and may contain mistakes; the official description above is the record.