CVE-2025-62820 | BDVDB-2026-299296 Detail

SlackNebula

Description#

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

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact low. Attack vector: network.

No public exploit known

4.9 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 12.6.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

4.9 Medium

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).