What is CVE-2026-10268?

CVE-2026-10268 is a low-severity vulnerability in Janet-lang Janet, classified under CWE-189. CVSS score: 3.3/10. Published 2026-06-01.

How severe is CVE-2026-10268?

Low severity. CVSS v3 base score is 3.3 out of 10.

Integer overflow in Janet-lang Janet

CVE-2026-10268

A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the…

EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Janet-lang Janet — versions 1.0, 1.1, 1.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (exploit)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-10268?: CVE-2026-10268 is a low-severity vulnerability in Janet-lang Janet, classified under CWE-189. CVSS score: 3.3/10. Published 2026-06-01.
How severe is CVE-2026-10268?: Low severity. CVSS v3 base score is 3.3 out of 10.