Vulnerability in openclaw (CVE-2026-34426)
Summary
Vulnerability in openclaw (CVE-2026-34426). Data can be tampered with by attackers. Exploitable via openclaw. Mitigation: upgrade to 2026.3.22 or later.
Original description
The description as published by the source.
Summary
Windows local-media handling accepted remote-host file URLs and UNC-style paths before local-path validation, so network-hosted file targets could be treated as local content.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected: < 2026.3.22
- Fixed: >= 2026.3.22
- Latest released tag checked:
v2026.3.23-2(630f1479c44f78484dfa21bb407cbe6f171dac87) - Latest published npm version checked:
2026.3.23-2
Fix Commit(s)
4fd7feb0fd4ec16c48ed983980dba79a09b3aaf593880717f1cd34feaa45e74e939b7a5256288901
Release Status
The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.
Code-Level Confirmation
- src/infra/local-file-access.ts now rejects remote-host file: URLs and UNC/network paths as non-local input.
- src/media/web-media.ts, src/media-understanding/attachments.normalize.ts, and src/agents/sandbox-paths.ts all route through the shared local-file guard.
OpenClaw thanks @RacerZ-fighting, @Fushuling for reporting.
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-2026-34426 has been found in openclaw.
Attackers can target a specific entry point like openclaw over the network to misuse the product.
Data can be tampered with by attackers. CVSS score: 7.6/10.
What to do: upgrade openclaw to 2026.3.22 or later.
If unsure, ask your IT team or search "openclaw CVE-2026-34426" on the vendor's site.
CVE-2026-34426 (openclaw) — CWE-40 / CVSS v3 7.6
Attack vector: remote (network-reachable)
Attack surface: openclaw
Patched: 2026.3.22 — 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-40) exists in openclaw. Attackers reach the vulnerable code path via openclaw.
Check the vendor advisory for the affected versions of openclaw. Attack surface: openclaw.
Severity: High (CVSS 7.6/10). Data can be tampered with by attackers.
Update to 2026.3.22.
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 2026.3.22ステージング環境で 2026.3.22 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 nvd.nist.gov
- package github.com
- web github.com
- web github.com
- web github.com
- web vulncheck.com
- web github.com
- web github.com
- web github.com
- web github.com