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CVE-2026-3390

3.3 · LOW

A vulnerability was identified in FascinatedBox lily up to 2.3.

Published Mar 1, 2026CWE-119EPSS 0.19%

Overview

CVE-2026-3390 is a low-severity vulnerability. It was published on March 1, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/FascinatedBox/lily/GitHubgithub.com/FascinatedBox/lily/issues/382GitHubgithub.com/oneafter/0122/blob/main/i382/repro.lilyRefvuldb.com/?ctiid.348276Refvuldb.com/?id.348276Refvuldb.com/?submit.761326

How CyberStrike helps

Frequently asked questions

What is CVE-2026-3390?

CVE-2026-3390 is a low-severity vulnerability. It was published on March 1, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2026-3390?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-3390?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-3390?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-3390 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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