CVE-2026-2869
janet-lang janet handleattr specials.c janetc_varset out-of-bounds
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 CWE-119 |
| Vendor | janet-lang |
| Product | janet |
| Published | Feb 21, 2026 |
| Last Updated | Feb 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
janet-lang / janet
1.40.0 1.40.1
References
vuldb.com: https://vuldb.com/?id.347106 vuldb.com: https://vuldb.com/?ctiid.347106 vuldb.com: https://vuldb.com/?submit.754589 github.com: https://github.com/janet-lang/janet/issues/1699 github.com: https://github.com/oneafter/0123/blob/main/ja1/repro github.com: https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5 github.com: https://github.com/janet-lang/janet/releases/tag/v1.41.0 github.com: https://github.com/janet-lang/janet/
Credits
🔍 Oneafter (VulDB User)