EIP-2026-104167

PRE-CVE

Apple WebKit / Safari 10.0.2(12602.3.12.0.1) - 'operationSpreadGeneric' Universal Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104167. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in JavaScriptCore's spread operation optimization, leading to arbitrary code execution. The exploit triggers a bug where `operationSpreadGeneric` incorrectly handles the JSGlobalObject, allowing an attacker to execute arbitrary JavaScript in the context of the victim's browser.

Description

Apple WebKit / Safari 10.0.2(12602.3.12.0.1) - 'operationSpreadGeneric' Universal Cross-Site Scripting

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmlwebappsmultiple
https://www.exploit-db.com/exploits/41900

This PoC exploits a type confusion vulnerability in JavaScriptCore's spread operation optimization, leading to arbitrary code execution. The exploit triggers a bug where `operationSpreadGeneric` incorrectly handles the JSGlobalObject, allowing an attacker to execute arbitrary JavaScript in the context of the victim's browser.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WebKit (Safari Nightly 10.0.2 r210957)
No auth needed
Prerequisites: Victim must visit a malicious webpage · Safari Nightly 10.0.2 (r210957) must be in use
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026