Medium 5.5Published Feb 21, 2026

CVE-2026-2869A vulnerability was identified in janet-lang janet up to 1.40.1.

Updated under an hour ago (2026-10-19 06:50 UTC)

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It affects janet-lang janet. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for janet-lang janet

Exploited in the last 30 days

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: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-119, CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

janet-lang janet janet-lang:janet	through 1.40.1	NVD

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.