Medium severity6.5NVD Advisory· Published Mar 31, 2026· Updated Apr 1, 2026
CVE-2026-33580
CVE-2026-33580
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.3.28 | 2026.3.28 |
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/openclaw/openclaw/commit/e403decb6e20091b5402780a7ccd2085f98aa3cdnvdPatchWEB
- github.com/advisories/GHSA-9528-x887-j2fpghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-9528-x887-j2fpnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-33580ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-rate-limiting-on-webhook-shared-secret-authenticationnvdThird Party AdvisoryWEB
- github.com/openclaw/openclaw/releases/tag/v2026.3.28ghsaWEB
News mentions
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