CVE-2026-33580

MediumCVSS 6.5/10Last modified Jul 24, 2026

Description

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting authentication without throttling.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-307

Affected software

Vendor	Product	Versions
OpenClaw	OpenClaw	< 2026.3.28

References

Timeline

Published: Mar 31, 2026
Last modified: Jul 24, 2026
NVD status: Analyzed

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