Medium
OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication
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.
Announced Group revision 1
Original source ↗CVE-2026-33580
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-33580
OpenClaw
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "OpenClaw",
"product": "OpenClaw",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2026.3.28",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2026.3.28",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/openclaw",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-33580
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #857 · Revision 1
- Added to Heist Feed
- Publisher date