Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
Exact source revision recorded 25 Oct 2026 03:17:29 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2025-62820
PublishedSlack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-420
Original publisher date fields
published: 2025-10-23T04:18:57.453
lastModified: 2026-10-08T11:10:00.250
- Source published
- 23 Oct 2025 04:18:57 UTC
- Source modified
- 8 Oct 2026 11:10:00 UTC
- Observed here
- 25 Oct 2026 03:17:29 UTC
- Source terms
- NIST NVD usage terms; underlying source attribution retained
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS 3.1 · [email protected] · Secondary · 4.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L