Vulnerability Database

357,869

Total vulnerabilities in the database

CVE-2026-53840 — openclaw / openclaw

Insufficiently Protected Credentials

OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers like API keys or tenant-routing credentials to attacker-controlled origins.

CVSS v3:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Software From Fixed in
Node.js icon openclaw / openclaw - 2026.5.12
Node.js icon openclaw / openclaw 2026.5.12-beta1 2026.5.12-beta1.x
Node.js icon openclaw / openclaw 2026.5.12-beta2 2026.5.12-beta2.x
Node.js icon openclaw / openclaw 2026.5.12-beta3 2026.5.12-beta3.x
Node.js icon openclaw / openclaw 2026.5.12-beta4 2026.5.12-beta4.x
Node.js icon openclaw / openclaw 2026.5.12-beta5 2026.5.12-beta5.x
Node.js icon openclaw / openclaw 2026.5.12-beta6 2026.5.12-beta6.x
Node.js icon openclaw / openclaw 2026.5.12-beta7 2026.5.12-beta7.x
Node.js icon openclaw / openclaw 2026.5.12-beta8 2026.5.12-beta8.x
Node.js icon openclaw - 2026.5.12

Frequently Asked Questions

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.