CVE-2026-1301

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

In builds with PubSub and JSON enabled, a crafted JSON message can cause the decoder to write beyond a heap-allocated array before authentication, reliably crashing the process and corrupting memory.

Metrics

CVSS 4.0 6.8/10CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 5, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-1301: Medium severity, CVSS 6.8 | Vulnix