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OpenClaw CVE-2026-62210

| EUVDEUVD-2026-45098 MEDIUM
Allocation of Resources Without Limits or Throttling (CWE-770)
2026-07-17 VulnCheck GHSA-vq5x-r5hj-w7qc
Denial Of Service Openclaw
6.0
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/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
vuln.today AI
6.5 MEDIUM

Network-reachable via media URL submission but requires input-path access (PR:L); availability-only impact with no confidentiality or integrity effects.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Patch available
Jul 17, 2026 - 02:32 EUVD
Analysis Generated
Jul 17, 2026 - 01:07 vuln.today

DescriptionCVE.org

OpenClaw versions before 2026.6.1 contain a denial of service vulnerability where remote media URLs can trigger slow-read attacks that exhaust gateway worker resources. Attackers with access to configured input paths can supply remote media URLs that consume gateway resources and reduce availability.

AnalysisAI

Denial of service in OpenClaw gateway via slow-read attacks against remote media URL processing affects all versions before 2026.6.1. Attackers with access to configured input paths can supply crafted remote media URLs that hold gateway worker connections open indefinitely, gradually exhausting the worker pool and degrading availability for legitimate requests. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privileged access to OpenClaw input paths
Delivery
Submit crafted URL pointing to slow-responding attacker server
Exploit
Gateway opens unbounded outbound HTTP connection
Execution
Worker thread blocked for duration of slow transfer
Persist
Repeat to fill all available worker slots
Impact
Gateway availability exhausted
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to have been granted access to OpenClaw's 'configured input paths' - the application-level mechanism through which users submit remote media URLs for gateway processing. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.0 accurately reflects the constrained attack surface: AT:P (specific attack preconditions - access to configured input paths) and PR:L (low privilege required) prevent unauthenticated exploitation, meaningfully reducing the population of potential attackers compared to a fully open network attack. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with low-privileged access to OpenClaw's media input paths submits a URL pointing to an attacker-controlled server configured to respond at one byte per second. The gateway opens a connection, begins reading the response, and holds the worker thread open for the full duration of the artificially slow transfer. …
Remediation Upgrade to OpenClaw version 2026.6.1 or later, which resolves the resource exhaustion condition. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-62210 vulnerability details – vuln.today
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