CVE-2026-2660: A vulnerability was identified in FascinatedBox lily up to 2.3

Q: How do I fix CVE-2026-2660?

lily: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-2660 being exploited?

CVE-2026-2660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2660 affect?

CVE-2026-2660 affects lily. Severity is low (CVSS 3.3). 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 att

Q: How urgent is CVE-2026-2660?

Priority 20/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2026-2660 is a low-severity flaw (CVSS 3.3) affecting lily. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-119, CWE-416
Published	2026-02-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lily-lang

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-18 19:21 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

lily-lang lily UPGRADE

Affected: <= 2.3

Fixed in: newer than 2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lily || rpm -q lily || lily --version

2. UPGRADE to newer than 2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lily

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lily

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-2660?

lily: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Is CVE-2026-2660 being exploited?

CVE-2026-2660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-2660 affect?

CVE-2026-2660 affects lily. Severity is low (CVSS 3.3). 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 att

How urgent is CVE-2026-2660?

Priority 20/100. Public exploit reference

Related CVEs

CVE-2026-2662 LOW 3.3 UPGRADE A weakness has been identified in FascinatedBox lily up to 2.3

References

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