High severity7.5NVD Advisory· Published Mar 5, 2026· Updated Jun 17, 2026
CVE-2026-29609
CVE-2026-29609
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.2.14 | 2026.2.14 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/openclaw/openclaw/commit/00a08908892d1743d1fc52e5cbd9499dd5da2fe0nvdPatchWEB
- github.com/advisories/GHSA-j27p-hq53-9wgcghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-j27p-hq53-9wgcnvdVendor AdvisoryWEB
- www.vulncheck.com/advisories/openclaw-denial-of-service-via-unbounded-url-backed-media-fetchnvdThird Party Advisory
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