High severity · published Feb 18, 2026
CVE-2026-2659
Squirrel sqfuncstate.cpp PopTarget out-of-bounds
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SQ
Squirrel ·
3.0; 3.1; 3.2 · source: vendor, NVD
Affected product
SQ
Squirrel
More from Squirrel
7.8
CVE-2026-2661
Squirrel sqobject.h operator heap-based overflow
5.9
CVE-2026-8261
Squirrel sqobject.cpp Load heap-based overflow
5.5
CVE-2026-3389
Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference
5.5
CVE-2026-3388
Squirrel sqcompiler.cpp UnaryOP recursion
5.3
CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflow