CVE-2026-1301
MEDIUM EPSS 26.2%
Published Feb 5, 20264mo ago · Modified Jun 17, 20262w ago
6.8 CVSS 4.0
Published Feb 5, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS: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 Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction A
Scope X
Threat Intelligence
EPSS Exploit Probability
26.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
References 1
- cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-03
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.