CVE-2026-42430
OpenClaw < 2026.4.8 - Strict Browser SSRF Bypass via Playwright Redirect Handling
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
OpenClaw < 2026.4.8 - Strict Browser SSRF Bypass via Playwright Redirect Handling
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
- Record
CVE-2026-42430- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:H/SI:L/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-26132
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
- Record
EUVD-2026-26132- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:H/SI:L/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w8g9-x8gx-crmm
OpenClaw: Strict browser SSRF bypass in Playwright redirect handling leaves private targets reachable
Impact
Strict browser SSRF bypass in Playwright redirect handling leaves private targets reachable.
Strict browser SSRF checks could miss Playwright request-time navigation to private targets.
OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected versions:
2026.3.8 - Patched versions:
2026.4.8
Fix
The issue was fixed on main and is available in the patched npm version listed above. The verified fixed tree is commit d7c3210cd6f5fdfdc1beff4c9541673e814354d5.
Verification
The fix was re-checked against main before publication, including targeted regression tests for the affected security boundary.
Credits
Thanks @smaeljaish771 for reporting.
- Record
GHSA-w8g9-x8gx-crmm- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
- Record
CVE-2026-42430- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:H/SI:L/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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
OpenClaw < 2026.4.8 - Strict Browser SSRF Bypass via Playwright Redirect Handling
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
- Record
CVE-2026-42430- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:H/SI:L/SA:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSVGHSA-w8g9-x8gx-crmm
OpenClaw: Strict browser SSRF bypass in Playwright redirect handling leaves private targets reachable
Impact
Strict browser SSRF bypass in Playwright redirect handling leaves private targets reachable.
Strict browser SSRF checks could miss Playwright request-time navigation to private targets.
OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected versions:
2026.3.8 - Patched versions:
2026.4.8
Fix
The issue was fixed on main and is available in the patched npm version listed above. The verified fixed tree is commit d7c3210cd6f5fdfdc1beff4c9541673e814354d5.
Verification
The fix was re-checked against main before publication, including targeted regression tests for the affected security boundary.
Credits
Thanks @smaeljaish771 for reporting.
- Record
GHSA-w8g9-x8gx-crmm- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openclawnpm |
before 2026.4.8 | 2026.4.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42430 is a medium vulnerability (CVSS 4.8) in Openclaw, published April 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. Fixed in openclaw 2026.4.8.
References
github.com/openclaw/openclaw/security/advisories/GHSA-w8g9-x8gx-crmm
vulncheck.com/advisories/openclaw-strict-browser-ssrf-bypass-via-playwright-redirect-handling
nvd.nist.gov/vuln/detail/CVE-2026-42430