CVE-2026-2655— ChaiScript chaiscript_defines.hpp operator use after free
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I. Basic Information for CVE-2026-2655
Vulnerability Information
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Vulnerability Title
ChaiScript chaiscript_defines.hpp operator use after free
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
ChaiScript 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ChaiScript是ChaiScript开源的一个编程语言。 ChaiScript 6.1.0及之前版本存在安全漏洞，该漏洞源于释放后重用，可能导致本地内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | ChaiScript | 6.0 | - |
II. Public POCs for CVE-2026-2655
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-02-18 · 19 CVEs total
| CVE-2025-70150 | 9.8 CRITICAL | CodeAstro Membership Management System 安全漏洞 |
| CVE-2025-70152 | 9.8 CRITICAL | Code-Projects Community Project Scholars Tracking System 安全漏洞 |
| CVE-2025-70148 | 7.5 HIGH | CodeAstro Membership Management System 安全漏洞 |
| CVE-2026-2653 | 5.3 MEDIUM | admesh normals.c stl_check_normal_vector heap-based overflow |
| CVE-2026-2661 | 3.3 LOW | Squirrel sqobject.h operator heap-based overflow |
| CVE-2026-2659 | 3.3 LOW | Squirrel sqfuncstate.cpp PopTarget out-of-bounds |
| CVE-2026-2656 | 2.5 LOW | ChaiScript type_info.hpp bare_equal use after free |
| CVE-2025-70149 | CodeAstro Membership Management System 安全漏洞 | |
| CVE-2025-70151 | Code-Projects Scholars Tracking System 安全漏洞 | |
| CVE-2025-70141 | SourceCodester Customer Support System 安全漏洞 | |
| CVE-2025-70147 | Projectworlds Online Time Table Generator 安全漏洞 | |
| CVE-2025-70064 | PHPGurukul Hospital Management System 安全漏洞 | |
| CVE-2025-70998 | UTT HiPER 810 安全漏洞 | |
| CVE-2025-65791 | ZoneMinder 安全漏洞 | |
| CVE-2025-65519 | ezBookkeeping 安全漏洞 | |
| CVE-2025-70063 | PHPGurukul Hospital Management System 安全漏洞 | |
| CVE-2025-70146 | Projectworlds Online Time Table Generator 安全漏洞 | |
| CVE-2025-70062 | PHPGurukul Hospital Management System 安全漏洞 |
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V. Comments for CVE-2026-2655
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