Unauthenticated Webhook Exploit in OpenClaw's BlueBubbles Plugin
CVE-2026-32896

6.3MEDIUM

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
21 March 2026

What is CVE-2026-32896?

The BlueBubbles plugin within OpenClaw versions prior to 2026.2.21 presents a serious security flaw due to a passwordless fallback authentication method. This allows attackers to exploit certain routing configurations, such as reverse-proxies, to send unauthenticated webhook events. By leveraging the loopback and proxy heuristics, attackers can bypass standard authentication mechanisms, potentially leading to unauthorized access and exploitation of the system.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

OpenClaw 0 < 2026.2.21

OpenClaw 2026.2.21

References

https://github.com/openclaw/openclaw/security/advisories/...
third-party-advisory
https://github.com/openclaw/openclaw/commit/6b2f2811dc623...
patch
https://github.com/openclaw/openclaw/commit/283029bdea231...
patch

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peng Zhou (@zpbrent)
JSON
.