Improper Access Control

github.com/slackhq/nebula is vulnerable to Improper Access Control. The vulnerability is due to incorrect handling of CIDR ranges in certain configurations, which allows an attacker to spoof or use arbitrary source IP addresses within the Nebula network...

Slack Nebula may accept arbitrary source IP addresses

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

GHSA-X6FH-7QMF-69XH Slack Nebula may accept arbitrary source IP addresses

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

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

Slack Nebula prior to 1.9.7 is affected by a CIDR handling issue that allows accepting arbitrary source IPs within the Nebula network. The CVE entry documents this as a network‑level vulnerability with a CVSS v3.1 base score of 4.9 (Medium) and a high attack complexity, requiring low privileges a...

CVE-2025-62820

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

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

EUVD-2025-35657

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

SQL Injection Vulnerability in Graduation Design Sampling and Guidance Management System of Hunan Nebula Network Information Technology Co.

Hunan Nebula Network Information Technology Co., Ltd. was founded in 2016, the company is rooted in the field of higher education, especially higher vocational education in Hunan Province. A SQL injection vulnerability exists in the graduation design sampling and guidance management system of Hun...