Cursor and Windsurf outdated Chromium/V8 builds multiple vulnerabilities security flaw (CVE-2025-7656)
Vulnerability
Summary
Hide ▲
Show ▼
Researchers confirmed that outdated Chromium/V8 builds in Cursor and Windsurf expose an estimated 1.8 million developers to 94+ patched vulnerabilities. A proof-of-concept for CVE-2025-7656 shows the exposure can be reached through a deeplink and can crash the renderer. The same flaw path may also enable arbitrary code execution in a real attack.
Related Happenings
Everest Forms Pro CVE-2026-3300 active exploitation wave
Exploitation Wave
H score87
First: 05.06.2026 11:38
Last: 05.06.2026 11:38
Sources 1
About this happening:
Active exploitation of CVE-2026-3300 in Everest Forms Pro is driving complete site compromise risk for WordPress sites. Attackers have been using the flaw for arbitrar...
Everest Forms Pro CVE-2026-3300 active exploitation wave
Exploitation WaveAbout this happening: Active exploitation of CVE-2026-3300 in Everest Forms Pro is driving complete site compromise risk for WordPress sites. Attackers have been using the flaw for arbitrar...
ExploitBench benchmark shows frontier AI models can stage Chrome exploit chains against vulnerable V8 builds
Technical Analysis
H score16
First: 04.06.2026 16:00
Last: 04.06.2026 16:00
Sources 1
About this happening:
Bugcrowd’s ExploitBench now shows frontier AI models can progress through staged Google Chrome exploit chains, raising the risk of faster AI-assisted exploit development...
ExploitBench benchmark shows frontier AI models can stage Chrome exploit chains against vulnerable V8 builds
Technical AnalysisAbout this happening: Bugcrowd’s ExploitBench now shows frontier AI models can progress through staged Google Chrome exploit chains, raising the risk of faster AI-assisted exploit development...
Chromium JavaScript background RCE flaw
Vulnerability
H score16
First: 21.05.2026 21:13
Last: 21.05.2026 21:13
Sources 1
About this happening:
The unfixed Chromium flaw keeps JavaScript running after the browser is closed, creating remote code execution risk across Chromium-based browsers. A malicious sit...
Chromium JavaScript background RCE flaw
VulnerabilityAbout this happening: The unfixed Chromium flaw keeps JavaScript running after the browser is closed, creating remote code execution risk across Chromium-based browsers. A malicious sit...
ChromaDB Python API exposure mitigation (CVE-2026-45829)
Advisory/Mitigation
H score25
First: 20.05.2026 01:25
Last: 20.05.2026 01:25
Sources 1
About this happening:
HiddenLayer urged ChromaDB users to harden exposed deployments because CVE-2026-45829 can still enable code execution on the Python FastAPI server. Until patch sta...
ChromaDB Python API exposure mitigation (CVE-2026-45829)
Advisory/MitigationAbout this happening: HiddenLayer urged ChromaDB users to harden exposed deployments because CVE-2026-45829 can still enable code execution on the Python FastAPI server. Until patch sta...
Cursor IDE MCP deeplink code execution security flaw
Vulnerability
H score37
First: 17.03.2026 17:00
Last: 17.03.2026 17:00
Sources 1
About this happening:
A Cursor IDE flaw in MCP deeplinks can let crafted installation links trigger arbitrary commands or install malicious components under some user-approval and confi...
Cursor IDE MCP deeplink code execution security flaw
VulnerabilityAbout this happening: A Cursor IDE flaw in MCP deeplinks can let crafted installation links trigger arbitrary commands or install malicious components under some user-approval and confi...
Timeline
-
21.10.2025 22:00 1 articles · 8mo ago
Cursor and Windsurf remain on outdated Chromium/V8 builds
Technical Analysis UpdateCursor and Windsurf shipped Electron-based IDE releases rooted in older VS Code and Chromium 132.0.6834.210 as of 2025-03-21, leaving their bundled Chromium and V8 stack exposed to at least 94 known CVEs already patched upstream.
Show sources
- Cursor, Windsurf IDEs riddled with 94+ n-day Chromium vulnerabilities — www.bleepingcomputer.com — 21.10.2025 22:00
-
21.10.2025 22:00 2 articles · 8mo ago
Ox Security discloses CVE-2025-7656 exposure in Cursor and Windsurf
Initial DisclosureOn October 12, Ox Security disclosed that Cursor and Windsurf could be driven through a deeplink to a remote URL hosting exploit payloads, where JavaScript can trigger CVE-2025-7656 and crash the renderer; the researchers said arbitrary code execution is also possible, estimated 1.8 million developers are exposed, and Cursor called the report out of scope while Windsurf did not respond by 2025-10-21.
Show sources
- Cursor, Windsurf IDEs riddled with 94+ n-day Chromium vulnerabilities — www.bleepingcomputer.com — 21.10.2025 22:00
- Cursor, Windsurf IDEs riddled with 94+ n-day Chromium vulnerabilities — www.bleepingcomputer.com — 21.10.2025 22:00