Security Advisories
CVEs affecting projects tracked on Release Alert, from NVD & OSV.
CVE-2025-62820
4.9
MEDIUMCVSS v3
Published
October 23, 2025
Affected
1 project
Assigned by
MITRE
Severity scale
010
Description
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
slackhq/nebula
GitHubA scalable overlay networking tool with a focus on performance, simplicity and security
GitHubA scalable overlay networking tool with a focus on performance, simplicity and securityNVD