OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the fetchWithGuard function that allocates entire response payloads in memory before enforcing maxBytes limits. Remote attackers can trigger memory exhaustion by serving oversized responses without content-length headers to cause availability loss.
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-j27p-hq53-9wgc | OpenClaw affected by denial of service via unbounded URL-backed media fetch |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 05 Mar 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the fetchWithGuard function that allocates entire response payloads in memory before enforcing maxBytes limits. Remote attackers can trigger memory exhaustion by serving oversized responses without content-length headers to cause availability loss. | |
| Title | OpenClaw < 2026.2.14 - Denial of Service via Unbounded URL-backed Media Fetch | |
| First Time appeared |
Openclaw
Openclaw openclaw |
|
| Weaknesses | CWE-770 | |
| CPEs | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Openclaw
Openclaw openclaw |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-03-05T22:28:26.839Z
Reserved: 2026-03-04T16:16:15.967Z
Link: CVE-2026-29609
No data.
Status : Received
Published: 2026-03-05T22:16:24.043
Modified: 2026-03-05T22:16:24.043
Link: CVE-2026-29609
No data.
OpenCVE Enrichment
Updated: 2026-03-06T14:56:49Z
Weaknesses
Github GHSA