CVE-2021-31819

—

CVSS 3.1

9.8 critical

EPSS

2%p83

Published

Sep 22, 2021 (Sep 22, 2021)

Modified

Jun 17, 2026

Description

In Halibut versions prior to 4.4.7 there is a deserialisation vulnerability that could allow remote code execution on systems that already trust each other based on certificate verification.

Vendors: octopus
Products: halibut
Weakness: CWE-502
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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