CVE-2026-3391

Name: CVE-2026-3391
Creator: NVD / NIST
Published: 2026-03-01T12:15:59.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-3391 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. The manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.21%

11.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Lily-Lang	Lily	<= 2.3

References

https://github.com/FascinatedBox/lily/Product
https://github.com/FascinatedBox/lily/issues/383Exploit, Issue Tracking, Vendor Advisory
https://github.com/oneafter/0122/blob/main/i383/repro.lilyExploit
https://vuldb.com/?ctiid.348277Permissions Required, VDB Entry
https://vuldb.com/?id.348277Third Party Advisory, VDB Entry
https://vuldb.com/?submit.761327Third Party Advisory, VDB Entry

Timeline

Published: Mar 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3391?

How severe is CVE-2026-3391?

CVE-2026-3391 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3391?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3391?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST