CVE-2026-42434 json
OpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec Routing
published 2026-04-17 6 mo ago modified 2026-06-17 4 mo ago also GHSA-736r-jwj6-4w23 , EUVD-2026-27251
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
OpenClaw versions 2026.4.5 before 2026.4.10 contain a sandbox escape vulnerability allowing sandboxed agents to override exec routing by specifying host=node. Attackers can bypass sandbox boundaries and route execution to remote nodes instead of intended sandbox paths.
Patch / fix
- npm openclaw 2026.4.10
- OpenClaw OpenClaw 2026.4.10
- github.com/openclaw/openclaw@dffad08 commit
- github.com/openclaw/openclaw#63880 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 6 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | >=2026.4.5, <2026.4.10 |
2026.4.10 |
Affected products
- OpenClaw OpenClaw
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/openclaw/openclaw/commit/dffad08529202edbf34e4808788e1182fe10f6a9
patch, web
-
github.com
/openclaw/openclaw/pull/63880
web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-736r-jwj6-4w23
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-sandbox-escape-via-host-parameter-override-in-exec-routing
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-42434
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-42434
- GitHub Advisory GHSA-736r-jwj6-4w23
- NVD CVE-2026-42434
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