Insufficient policy enforcement in chrome-devtools-mcp allows local read/write
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
Insufficient policy enforcement in chrome-devtools-mcp in Google Chrome on Linux from 1.1.0 before 1.5.0 lets a local attacker perform arbitrary read and write operations. The flaw is classified as CWE-284 (improper access control). Exploitation requires a victim to interact with a malicious file, and the attack affects confidentiality and integrity but not availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Insufficient policy enforcement in chrome-devtools-mcp in Google Chrome on Linux prior to 1.5.0 allowed a local attacker to perform arbitrary read/write via a malicious file. (Chromium security severity: Medium)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update chrome-devtools-mcp to version 1.5.0 or later, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA chrome-devtools-mcp (Google) Fixed in 1.5.0
Timeline
- 2026-10-28 Threatist record created from CVE-2026-106484
- 2026-10-28 Alias added: GHSA-2mw5-2f2c-v2g3
- 2026-10-29 CVSS score added · CISA ADP
- 2026-10-29 CISA SSVC decision points changed
- 2026-10-29 Weakness changed · CISA ADP
References
More Google vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-106484 · CVE Program
- CVE-2026-106484 · NVD
- FIRST EPSS
- GHSA-2mw5-2f2c-v2g3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences