Get real-time updates on Telegram
CVE-2025-9611: Playwright 0 to before 0.0.40
CVE-2025-9611. EPSS 0.01222 (percentile 0.67693), scored 05-Oct-2026.
Affected technology
Playwright · 0 to before 0.0.40
Microsoft
Description’s affected range: versions prior to 0.0.40 fails to validate the Origin header on incoming connections
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction
What an attacker can do
An attacker can perform a DNS rebinding attack via a victim’s web browser and send unauthorized requests to a locally running MCP server, resulting in unintended invocation of MCP tool endpoints. Vendor/CNA’s CVSS 4.0 assessment (base score 7.2/10) rates confidentiality and integrity impact as low; availability impact as high.
- CWE
- CWE-749
- CCR priority
- 0.3 /100 (P5)
- EPSS
- 0.01222 · percentile 0.67902 · 2026-10-11
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-9611.html