CVE-2026-2659

Name: CVE-2026-2659
Creator: NVD / NIST
Published: 2026-02-18T18:24:34.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-2659 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

7.8/10

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

11.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Squirrel-Lang	Squirrel	<= 3.2

References

https://github.com/albertodemichelis/squirrel/issues/311Exploit, Issue Tracking
https://github.com/oneafter/0122/blob/main/i311/reproExploit
https://vuldb.com/?ctiid.346457Permissions Required, VDB Entry
https://vuldb.com/?id.346457Third Party Advisory, VDB Entry
https://vuldb.com/?submit.753163Third Party Advisory, VDB Entry

Timeline

Published: Feb 18, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2659?

How severe is CVE-2026-2659?

CVE-2026-2659 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-2026-2659?

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-2026-2659?

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

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Source: NVD / NIST