EIP-2026-103479

PRE-CVE

Google Chrome - 'HTMLKeygenElement::shadowSelect()' Type Confusion

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103479. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in Chrome's HTMLKeygenElement by manipulating the userAgentShadowRoot via caretRangeFromPoint(), leading to a blind cast of an incorrect node type to HTMLSelectElement. The exploit demonstrates arbitrary DOM manipulation within the shadow tree, potentially leading to further exploitation.

Description

Google Chrome - 'HTMLKeygenElement::shadowSelect()' Type Confusion

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldosmultiple
https://www.exploit-db.com/exploits/41214

This PoC exploits a type confusion vulnerability in Chrome's HTMLKeygenElement by manipulating the userAgentShadowRoot via caretRangeFromPoint(), leading to a blind cast of an incorrect node type to HTMLSelectElement. The exploit demonstrates arbitrary DOM manipulation within the shadow tree, potentially leading to further exploitation.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Google Chrome (version affected by CVE-2026-146137)
No auth needed
Prerequisites: Victim must visit a malicious webpage
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026