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CVE-2026-2655

LOW

2.5

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.

CVE Details

CVSS v3.1 Score2.5

SeverityLOW

CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published2/18/2026

Last Modified2/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

chaiscript:chaiscript

Weaknesses (CWE)

CWE-119CWE-416

References

https://github.com/ChaiScript/ChaiScript/(cna@vuldb.com)

https://github.com/ChaiScript/ChaiScript/issues/632(cna@vuldb.com)

https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936(cna@vuldb.com)

https://vuldb.com/?ctiid.346453(cna@vuldb.com)

https://vuldb.com/?id.346453(cna@vuldb.com)

https://vuldb.com/?submit.752788(cna@vuldb.com)

https://github.com/ChaiScript/ChaiScript/issues/632(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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