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NVD Vulnerability Details :
CVE-2026-2869
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-21 Feb, 2026 | 15:15
Updated At-26 Feb, 2026 | 02:46

A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/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
Secondary3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary2.01.7LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/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
Type: Secondary
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 2.0
Base score: 1.7
Base severity: LOW
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P
CPE Matches

janet-lang
janet-lang
>>janet>>Versions up to 1.40.1(inclusive)
cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Primarycna@vuldb.com
CWE-125Primarycna@vuldb.com
CWE-125Primarynvd@nist.gov
CWE ID: CWE-119
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-125
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-125
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/janet-lang/janet/cna@vuldb.com
Product
https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5cna@vuldb.com
Patch
https://github.com/janet-lang/janet/issues/1699cna@vuldb.com
Exploit
Issue Tracking
https://github.com/janet-lang/janet/releases/tag/v1.41.0cna@vuldb.com
Release Notes
https://github.com/oneafter/0123/blob/main/ja1/reprocna@vuldb.com
Exploit
https://vuldb.com/?ctiid.347106cna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/?id.347106cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/?submit.754589cna@vuldb.com
Third Party Advisory
VDB Entry
Hyperlink: https://github.com/janet-lang/janet/
Source: cna@vuldb.com
Resource:
Product
Hyperlink: https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5
Source: cna@vuldb.com
Resource:
Patch
Hyperlink: https://github.com/janet-lang/janet/issues/1699
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Hyperlink: https://github.com/janet-lang/janet/releases/tag/v1.41.0
Source: cna@vuldb.com
Resource:
Release Notes
Hyperlink: https://github.com/oneafter/0123/blob/main/ja1/repro
Source: cna@vuldb.com
Resource:
Exploit
Hyperlink: https://vuldb.com/?ctiid.347106
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/?id.347106
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/?submit.754589
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Change History
0Changes found

Details not found