# CVE-2026-35636: OpenClaw 2026.3.11 < 2026.3.25 - Session Isolation Bypass via sessionId Resolution

> Sandboxed child sessions can bypass isolation restrictions to access parent or sibling session data due to flawed session key resolution.

- **Severity:** High 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 9 Apr 2026
- **Updated:** 23 Jun 2026
- **Also known as:** GHSA-55rv-68q5-wxmq, GHSA-q2qc-744p-66r2, MINI-6rv2-6267-hcj9, MINI-fx5h-hw3m-g2x8

## What is CVE-2026-35636?

CVE-2026-35636 is a high-severity missing authorization vulnerability in Openclaw Openclaw, published on 9 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.

Weakness: CWE-696 (Incorrect Behavior Order)

## Which versions are affected by CVE-2026-35636?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `openclaw` | npm | From 2026.3.11 | 2026.3.28 |
| `openclaw` | npm | From 2026.3.11 | 2026.3.28 |

Products: Openclaw Openclaw.

## How do I fix CVE-2026-35636?

Upgrade openclaw to 2026.3.28 or later.

## Is CVE-2026-35636 being exploited?

There is no known exploitation of CVE-2026-35636 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-2026-35636 and fix it if it is affected.

What it is: CVE-2026-35636 is a high-severity missing authorization vulnerability in Openclaw Openclaw, published on 9 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-35636 in the wild and no public exploit code.

Affected packages and fixed versions:
- openclaw (npm): affected from 2026.3.11; fixed in 2026.3.28
- openclaw (npm): affected from 2026.3.11; fixed in 2026.3.28

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-2026-35636/ (Markdown: https://insights.sbomify.com/CVE-2026-35636/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-35636
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35636
- OSV: https://osv.dev/vulnerability/CVE-2026-35636

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-35636/
Summaries are generated and may contain mistakes; the official description above is the record.