Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.new Create a CVE report
Check your stack
CVE-2026-40037high7.1

OpenClaw < 2026.4.8 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects

Impact

OpenClaw before version 2026.4.8 has a vulnerability in fetchWithSsrFGuard, allowing attackers to replay request bodies across cross-origin redirects, potentially exfiltrating sensitive data. Attackers can exploit this by triggering redirects. The weakness is related to URL redirection to untrusted sites.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

OpenClaw · VulnCheck

OpenClaw

2 ranges
VulnCheck version evidence

Package identity

pkg:npm/openclawExplore openclaw →

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 2026.4.8

semver versions

unaffected

2026.4.8

semver versions

unknown

Other versions: unaffected

Original source description

OpenClaw before 2026.4.8 contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin redirects. Attackers can exploit this by triggering redirects to exfiltrate sensitive request data or headers to unintended origins.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-40037

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-601 ↗

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

VulnCheck

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

VulnCheck · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Before: 2026.4.8

Original applicability statements
[
  {
    "nodes": [
      {
        "operator": "OR",
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
            "versionEndExcluding": "2026.4.8"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 2
VulnCheck

Assigning organization

2026-10-29
CISA-ADP

Additional data publisher

2026-04-09

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

3 sources
github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m
vendor-advisoryVulnCheck
github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
patchVulnCheck
www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects
third-party-advisoryVulnCheck