A vulnerability was found in janet-lang janet up to 1.41.0 and classified as problematic . This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c . Executing a manipulation can lead to integer overflow. This vulnerability is handled as CVE-2026-10268 . It is possible to launch the attack on the local host. Additionally, an exploit exists. A patch should be applied to remediate this issue.