Low severity3.3NVD Advisory· Published Feb 18, 2026· Updated Apr 29, 2026

CVE-2026-2662

Description

A weakness has been identified in FascinatedBox lily up to 2.3. This vulnerability affects the function count_transforms of the file src/lily_emitter.c. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

Lily Lang/Lily
cpe:2.3:a:lily-lang:lily:*:*:*:*:*:*:*:*
Range: <=2.3

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/FascinatedBox/lily/issues/381nvdExploitIssue TrackingThird Party Advisory
github.com/oneafter/0122/blob/main/i381/repro.lilynvdExploit
vuldb.comnvdExploitThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry

News mentions

No linked articles in our index yet.

Severity

LowCVSS v3.1

3.3/ 10

CVSS v41.9

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

Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Vector

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

EPSS

Probability of exploitation in the next 30 days.

0.01%

VYPR risk score

Composite of severity, exploitation, and reach.

0.21low

cvss	0.214
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125
Out-of-bounds Read
CWE-787
Out-of-bounds Write

CVE ID

CVE-2026-2662

Source code

github.com/FascinatedBox/lily/

Credits

O(
Oneafter (VulDB User)
reporter