Auth bypass in Specterops Bloodhound
CVE-2026-59255
BloodHound through 9.4.0, fixed in commit 8f79035, contains a missing authorization vulnerability in the custom-nodes API endpoints that allows any authenticated user to modify the global graph schema. Attackers with valid session tokens c…
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
Affected products
- Specterops Bloodhound — versions 0, 8f790351349fd87bcb04377aba84cba6495825b3
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-59255?
- CVE-2026-59255 is a high-severity vulnerability in Specterops Bloodhound, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-07-15.
- How severe is CVE-2026-59255?
- High severity. CVSS v3 base score is 7.1 out of 10.