slackhq/nebula · Security
Slack Nebula may accept arbitrary source IP addresses
- GHSA ID
- GHSA-x6fh-7qmf-69xh
- CVE ID
- CVE-2025-62820
- Severity
- medium
- Published
- Updated
- CVSS
- 4.9 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
- CVSS v3
- 4.9 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
Description
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
CWEs
- CWE-420 · Unprotected Alternate Channel