CVE-2026-2656

LOW EPSS 9.0%
Published Feb 18, 20264mo ago · Modified Jun 17, 20261w ago
1.1 CVSS 4.0
Low
Find Similar
Published Feb 18, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

A flaw has been found in ChaiScript up to 6.1.0. This affects the function chaiscript::Type_Info::bare_equal of the file include/chaiscript/dispatchkit/type_info.hpp. This manipulation causes use after free. The attack requires local access. The attack's complexity is rated as high. The exploitability is reported as difficult. The exploit has been published 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
1.1
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

VendorProductVersionRange
chaiscriptchaiscript* ≤6.1.0

References 6

  • github.com https://github.com/ChaiScript/ChaiScript/
    Product
  • github.com https://github.com/ChaiScript/ChaiScript/issues/636
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582
    ExploitIssue TrackingVendor Advisory
  • vuldb.com https://vuldb.com/?ctiid.346454
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?id.346454
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.752790
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.