CVE-2026-3390

A vulnerability was identified in FascinatedBox lily up to 2.3. This issue affects the function patch_line_end of the file src/lily_build_error.c of the component Error Reporting. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

• CWE-119
• CWE-125
• CWE-125

• https://github.com/FascinatedBox/lily/Product
• https://github.com/FascinatedBox/lily/issues/382Exploit, Issue Tracking, Vendor Advisory
• https://github.com/oneafter/0122/blob/main/i382/repro.lilyExploit
• https://vuldb.com/?ctiid.348276Permissions Required, VDB Entry
• https://vuldb.com/?id.348276Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.761326Third Party Advisory, VDB Entry

Published

Mar 1, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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