CVE-2026-2655
LOW EPSS 9.0%
Published Feb 18, 20264mo ago · Modified Jun 17, 20261w ago
1.1 CVSS 4.0
Published Feb 18, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago
Description
A vulnerability was detected in ChaiScript up to 6.1.0. The impacted element is the function chaiscript::str_less::operator of the file include/chaiscript/chaiscript_defines.hpp. The manipulation results in use after free. The attack requires a local approach. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:H/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
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
9.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 2
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-416 Use After Free Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| chaiscript | chaiscript | * | ≤6.1.0 |
References 6
- github.com https://github.com/ChaiScript/ChaiScript/
- github.com https://github.com/ChaiScript/ChaiScript/issues/632
- github.com https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936
- vuldb.com https://vuldb.com/?ctiid.346453
- vuldb.com https://vuldb.com/?id.346453
- vuldb.com https://vuldb.com/?submit.752788
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.