EIP-2026-103714

PRE-CVE

WebKit JSC - 'ObjectPatternNode::appendEntry' Stack Use-After-Free

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103714. PoCs published by Google Security Research.

AI-analyzed exploit summary The PoC exploits a use-after-free vulnerability in JavaScriptCore's ObjectPatternNode::appendEntry, where a stack-allocated Identifier is incorrectly referenced after being freed. The provided PoC triggers the issue via destructuring assignment syntax.

Description

WebKit JSC - 'ObjectPatternNode::appendEntry' Stack Use-After-Free

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/42377

The PoC exploits a use-after-free vulnerability in JavaScriptCore's ObjectPatternNode::appendEntry, where a stack-allocated Identifier is incorrectly referenced after being freed. The provided PoC triggers the issue via destructuring assignment syntax.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: WebKit JavaScriptCore (version not specified)
No auth needed
Prerequisites: Target must execute the provided JavaScript code
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026