CVE-2026-10268mediumCWE-189CWE-190

CVE-2026-10268: medium-severity vulnerability in janet-lang janet

janet-lang janet marsh.c unmarshal_one_fiber integer overflow

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 4.8epss 0.1%
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 attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.
CVSS: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
Affected products
janet-lang · janet
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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