CVE-2025-62820 – Slack Nebula IP Address Spoofing

CVE ID : CVE-2025-62820

Published : Oct. 23, 2025, 4:18 a.m. | 24 minutes ago

Description : Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.

Severity: 4.9 | MEDIUM

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