EIP-2026-103436

PRE-CVE

Chrome V8 JIT - 'NodeProperties::InferReceiverMaps' Type Confusion

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103436. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a type confusion vulnerability in V8's NodeProperties::InferReceiverMaps, where a JSBoundFunction is incorrectly cast to JSFunction, leading to a fatal error in debug mode. The PoC triggers the issue by feeding a bound function as new.target during optimization.

Description

Chrome V8 JIT - 'NodeProperties::InferReceiverMaps' Type Confusion

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdosmultiple
https://www.exploit-db.com/exploits/44530

This exploit demonstrates a type confusion vulnerability in V8's NodeProperties::InferReceiverMaps, where a JSBoundFunction is incorrectly cast to JSFunction, leading to a fatal error in debug mode. The PoC triggers the issue by feeding a bound function as new.target during optimization.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Google V8 JavaScript Engine (specific version not specified)
No auth needed
Prerequisites: Debug mode with --enable_slow_asserts flag · V8 engine with the vulnerability present
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026