CVE-2025-62820mediumCWE-420

CVE-2025-62820: medium-severity vulnerability in Slack Nebula

Published

Follow this CVE+ Monitor Nebula+ Monitor github.com/slackhq/nebula

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.9epss 0.2%
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
Affected products
Slack · Nebula