CVE-2026-32049: OpenClaw < 2026.2.22 - Denial of Service via Inbound Media Download Byte Limit Bypass

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-21 · updated 2026-06-17
Weakness: CWE-770

Description

OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.

Affected products

OpenClaw: before 2026.2.22 — fixed in 2026.2.22

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.22. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c
https://github.com/openclaw/openclaw/security/advisories/GHSA-rxxp-482v-7mrh
https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-inbound-media-download-byte-limit-bypass

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