No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 16 Jun 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 16 Jun 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | OpenClaw < 2026.5.12 - Custom Header Leakage via MCP Streamable HTTP Cross-Origin Redirects | |
| First Time appeared |
Openclaw
Openclaw openclaw |
|
| Weaknesses | CWE-522 | |
| CPEs | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Openclaw
Openclaw openclaw |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-06-16T18:51:19.624Z
Reserved: 2026-06-10T21:19:32.651Z
Link: CVE-2026-53840
Updated: 2026-06-16T18:51:11.200Z
Status : Awaiting Analysis
Published: 2026-06-16T19:17:00.863
Modified: 2026-06-16T20:42:46.200
Link: CVE-2026-53840
No data.
OpenCVE Enrichment
Updated: 2026-06-16T21:00:12Z