CVE-2026-89262
CVE-2026-89262
MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-89262?
- CVE-2026-89262 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-09-11.
- How severe is CVE-2026-89262?
- High severity. CVSS v3 base score is 7.5 out of 10.