Vulnerability in openclaw (CVE-2026-41366)
Summary
Vulnerability in openclaw (CVE-2026-41366). Confidential information can be exposed externally. Exploitable via appendLocalMediaParentRoots. Mitigation: upgrade to 2026.3.31 or later.
Original description
The description as published by the source.
OpenClaw before 2026.3.31 contains a local roots self-whitelisting vulnerability in appendLocalMediaParentRoots that allows model-initiated arbitrary host file read. Attackers can exploit improper media parent directory validation to exfiltrate credentials and access sensitive files.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-41366 has been found in openclaw.
Attackers can target a specific entry point like appendLocalMediaParentRoots over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 5.5/10.
What to do: upgrade openclaw to 2026.3.31 or later.
If unsure, ask your IT team or search "openclaw CVE-2026-41366" on the vendor's site.
CVE-2026-41366 (openclaw) — CWE-552 / CVSS v3 5.5
Attack vector: local / no user interaction
Attack surface: appendLocalMediaParentRoots / openclaw
Patched: 2026.3.31 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-552) exists in openclaw. Attackers reach the vulnerable code path via appendLocalMediaParentRoots.
Check the vendor advisory for the affected versions of openclaw. Attack surface: appendLocalMediaParentRoots / openclaw.
Severity: Medium (CVSS 5.5/10). Confidential information can be exposed externally.
Update to 2026.3.31.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'openclaw' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'openclaw' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
openclawを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade openclaw to 2026.3.31ステージング環境で 2026.3.31 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory vulncheck.com
- advisory github.com
- advisory nvd.nist.gov
- package github.com
- patch github.com