CVE-2026-2656A flaw has been found in ChaiScript up to 6.1.0.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 2.5 LOW (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-119, CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
chaiscript chaiscript chaiscript:chaiscript | through 6.1.0 | NVD |
References
- https://github.com/ChaiScript/ChaiScript/product
- https://github.com/ChaiScript/ChaiScript/issues/636exploit, issue-tracking, vendor-advisory
- https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582exploit, issue-tracking, vendor-advisory
- https://vuldb.com/?ctiid.346454third-party-advisory, vdb-entry
- https://vuldb.com/?id.346454third-party-advisory, vdb-entry
- https://vuldb.com/?submit.752790third-party-advisory, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.