How severe is CVE-2026-2660?

CVE-2026-2660 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-2660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2660?

CVE-2026-2660 affects Lily-lang Lily. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2660?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2660 have an EU (EUVD) identifier?

Yes. CVE-2026-2660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7642.

When was CVE-2026-2660 published?

CVE-2026-2660 was published on 2026-02-18 and last updated on 2026-06-17.

CVE-2026-2660

CVE-2026-2660 is a low-severity vulnerability in Lily-lang Lily with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7642
Weakness: CWE-416
Affected product: Lily-lang Lily
Published: 2026-02-18
Last modified: 2026-06-17

Description

A vulnerability was identified in FascinatedBox lily up to 2.3. Affected by this issue is the function shorthash_for_name of the file src/lily_symtab.c. The manipulation leads to use after free. Local access is required to approach this attack. 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.

Frequently asked questions

What is CVE-2026-2660?: A vulnerability was identified in FascinatedBox lily up to 2.3. Affected by this issue is the function shorthash_for_name of the file src/lily_symtab.c. The manipulation leads to use after free. Local access is required to approach this attack. 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.
How severe is CVE-2026-2660?: CVE-2026-2660 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-2660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2660?: CVE-2026-2660 affects Lily-lang Lily. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2660?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2660 have an EU (EUVD) identifier?: Yes. CVE-2026-2660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7642.
When was CVE-2026-2660 published?: CVE-2026-2660 was published on 2026-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lily-lang:lily:*:*:*:*:*:*:*:*

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