SCA: security update for github.com/slackhq/nebula (GHSA-x6fh-7qmf-69xh)

medium Tenable Cloud Security Plugin ID 435763

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP
addresses within the Nebula network. (CVE-2025-62820)

See Also

https://github.com/advisories/GHSA-x6fh-7qmf-69xh

Plugin Details

Severity: Medium

ID: 435763

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 10/23/2025

Updated: 7/20/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.09

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:P/A:P

CVSS Score Source: CVE-2025-62820

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2025

Vulnerability Publication Date: 10/23/2025

Reference Information

CVE: CVE-2025-62820

cwe: CWE-420