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CVE Vulnerability Details :
CVE-2026-2656
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-18 Feb, 2026 | 14:32
Updated At-18 Feb, 2026 | 15:11
Rejected At-
▼CVE Numbering Authority (CNA)
ChaiScript type_info.hpp bare_equal use after free

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 Products
Vendor
n/a
Product
ChaiScript
Versions
Affected
  • 6.0
  • 6.1.0
Problem Types
TypeCWE IDDescription
CWECWE-416Use After Free
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-416
Description: Use After Free
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.02.0LOW
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
3.12.5LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.02.5LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.01.0N/A
AV:L/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 2.0
Base severity: LOW
Vector:
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
Version: 3.1
Base score: 2.5
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 2.5
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 1.0
Base severity: N/A
Vector:
AV:L/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-18 00:00:00
VulDB entry created2026-02-18 01:00:00
VulDB entry last update2026-02-18 07:48:30
Event: Advisory disclosed
Date: 2026-02-18 00:00:00
Event: VulDB entry created
Date: 2026-02-18 01:00:00
Event: VulDB entry last update
Date: 2026-02-18 07:48:30
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.346454
vdb-entry
technical-description
https://vuldb.com/?ctiid.346454
signature
permissions-required
https://vuldb.com/?submit.752790
third-party-advisory
https://github.com/ChaiScript/ChaiScript/issues/636
issue-tracking
https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582
exploit
issue-tracking
https://github.com/ChaiScript/ChaiScript/
product
Hyperlink: https://vuldb.com/?id.346454
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.346454
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.752790
Resource:
third-party-advisory
Hyperlink: https://github.com/ChaiScript/ChaiScript/issues/636
Resource:
issue-tracking
Hyperlink: https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/ChaiScript/ChaiScript/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found