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Security Advisories

CVE-2025-62820

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-62820

Severity

4.9

Medium

CVSS V3

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Description

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

References

  • https://nvd.nist.gov/vuln/detail/CVE-2025-62820
  • https://github.com/advisories/GHSA-x6fh-7qmf-69xh
  • https://pkg.go.dev/vuln/GO-2025-4068
  • https://github.com/slackhq/nebula/pull/1493
  • https://github.com/slackhq/nebula/pull/1494

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