CVE-2026-2656

ChaiScript type_info.hpp bare_equal use after free

LOW
2.5
CVSS Score
Published: February 18, 2026 at 02:32 PM UTC
Updated: June 17, 2026 at 10:31 AM UTC
1 product affected across 1 vendorChaiScript

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Severity
LOW2.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.346454
SignaturePermissions RequiredThird Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.346454
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.752790
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/ChaiScript/ChaiScript/issues/636
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.5LOWVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416CWE-119

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