CVE-2026-1301
NoneCVSS
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EPSS
0.4%
Published
Feb 5, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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