Feishu allowlist authorization could be bypassed by display-name collision.
channels.feishu.allowFrom is documented as an ID-based allowlist (open_id list), but Feishu policy matching accepted mutable sender display names in the same namespace. An attacker could set a display name equal to an allowlisted ID string and pass authorization checks.
The fix enforces ID-only matching for Feishu allowlist checks, normalizes Feishu ID prefixes during comparison, and ignores mutable display names for authorization.
Deployments using Feishu allowlist-based authorization could incorrectly authorize non-allowlisted senders when a colliding display name was used.
openclaw (npm)2026.2.21-2<= 2026.2.21-2>= 2026.2.224ed87a667263ed2d422b9d5d5a5d326e099f92c7patched_versions is pre-set to the planned next release (>= 2026.2.22) so the advisory is ready to publish once that npm release is available.
OpenClaw thanks @jiseoung for reporting.
A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.
CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.
A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.
Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.
Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.
SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.