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.
References
| Link | Resource |
|---|---|
| https://github.com/janet-lang/janet/ | Product |
| https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5 | Patch |
| https://github.com/janet-lang/janet/issues/1699 | Exploit Issue Tracking |
| https://github.com/janet-lang/janet/releases/tag/v1.41.0 | Release Notes |
| https://github.com/oneafter/0123/blob/main/ja1/repro | Exploit |
| https://vuldb.com/?ctiid.347106 | Permissions Required VDB Entry |
| https://vuldb.com/?id.347106 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.754589 | Third Party Advisory VDB Entry |
Configurations
History
26 Feb 2026, 02:46
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/janet-lang/janet/ - Product | |
| References | () https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5 - Patch | |
| References | () https://github.com/janet-lang/janet/issues/1699 - Exploit, Issue Tracking | |
| References | () https://github.com/janet-lang/janet/releases/tag/v1.41.0 - Release Notes | |
| References | () https://github.com/oneafter/0123/blob/main/ja1/repro - Exploit | |
| References | () https://vuldb.com/?ctiid.347106 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.347106 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.754589 - Third Party Advisory, VDB Entry | |
| First Time |
Janet-lang janet
Janet-lang |
|
| CPE | cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:* | |
| Summary |
|
21 Feb 2026, 15:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-02-21 15:15
Updated : 2026-02-26 02:46
NVD link : CVE-2026-2869
Mitre link : CVE-2026-2869
CVE.ORG link : CVE-2026-2869
JSON object : View
Products Affected
janet-lang
- janet
