CVE-2026-29609

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenclaw
PublishedMar 5, 2026
First seenMar 5, 2026

How to fix

Affected products

ProductAffected versionsFixed in
openclaw openclawv < 2026.2.142026.2.14
openclawnpmv < 2026.2.142026.2.14

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CVE-2026-29609 · Openclaw · Dark Radar