Authorization bypass via display-name allowlist collision
Published Mar 19, 2026 · Updated Mar 19, 2026
Incorrect authorization in OpenClaw before 2026.2.22 allows remote attackers to access Feishu-gated functions via a colliding display name. The resolveFeishuAllowlistMatch path passed both immutable sender IDs and the mutable senderName into a shared matcher, so either value could satisfy channels.feishu.allowFrom. Exposure requires Feishu allowlist authorization; a non-allowlisted sender can impersonate an allowed identifier and invoke only the functions available through that policy.
Summary
What happened
Incorrect authorization in OpenClaw before 2026.2.22 allows remote attackers to access Feishu-gated functions via a colliding display name. The resolveFeishuAllowlistMatch path passed both immutable sender IDs and the mutable senderName into a shared matcher, so either value could satisfy channels.feishu.allowFrom. Exposure requires Feishu allowlist authorization; a non-allowlisted sender can impersonate an allowed identifier and invoke only the functions available through that policy.
The record
- CVE
- CVE-2026-32021
- Published
- Mar 19, 2026
- Updated
- Mar 19, 2026
- Vendor
- OpenClaw Foundation
- Product
- OpenClaw
- Classifications
- CWE-639, CWE-863, T1036
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 19, 2026CVE publishedPublication date reported by the CVE source.
- Mar 19, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <2026.2.22
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo