EIP-2026-103715

PRE-CVE

WebKitGTK+ - 'ThreadedCompositor' Race Condition

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103715. PoCs published by Google Security Research.

AI-analyzed exploit summary This HTML-based PoC exploits a race condition in WebKitGTK+ where the compositor thread and main thread concurrently modify a FilterOperation object's reference count, leading to a use-after-free (UAF) condition. The exploit uses CSS animations and rapid DOM manipulation to trigger the vulnerability.

Description

WebKitGTK+ - 'ThreadedCompositor' Race Condition

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldosmultiple
https://www.exploit-db.com/exploits/46651

This HTML-based PoC exploits a race condition in WebKitGTK+ where the compositor thread and main thread concurrently modify a FilterOperation object's reference count, leading to a use-after-free (UAF) condition. The exploit uses CSS animations and rapid DOM manipulation to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Racy
Target: WebKitGTK+ (revision 240647)
No auth needed
Prerequisites: WebKitGTK+ build revision 240647 · Browser rendering the malicious HTML
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026