CVE-2026-2869
A vulnerability was identified in janet-lang janet up to 1.40.1.
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 1.9 LOWCVSS: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/M
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Affected
- janet-lang/janet
- Source
- cna@vuldb.com
References
- https://github.com/janet-lang/janet/Product
- https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5Patch
- https://github.com/janet-lang/janet/issues/1699Exploit, Issue Tracking
- https://github.com/janet-lang/janet/releases/tag/v1.41.0Release Notes
- https://github.com/oneafter/0123/blob/main/ja1/reproExploit
- https://vuldb.com/?ctiid.347106Permissions Required, VDB Entry
- https://vuldb.com/?id.347106Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754589Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.