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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-2869 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 1.9 LOW
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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/janet-lang/janet/ VulDB Product 
https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5 VulDB Patch 
https://github.com/janet-lang/janet/issues/1699 VulDB Exploit  Issue Tracking 
https://github.com/janet-lang/janet/releases/tag/v1.41.0 VulDB Release Notes 
https://github.com/oneafter/0123/blob/main/ja1/repro VulDB Exploit 
https://vuldb.com/?ctiid.347106 VulDB Permissions Required  VDB Entry 
https://vuldb.com/?id.347106 VulDB Third Party Advisory  VDB Entry 
https://vuldb.com/?submit.754589 VulDB Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST   VulDB  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-2869
NVD Published Date:
02/21/2026
NVD Last Modified:
06/17/2026
Source:
VulDB