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CVE-2025-62820GO-2025-4068GHSA-X6FH-7QMF-69XH

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.9.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Slack Nebula

    fixed in 1.9.7

  • github.com/slackhq/nebulaGo

    From 1.9.4 · fixed in 1.9.7

References 2

GitHub · slackhq/nebula