CVE-2026-89261
CVE-2026-89261
MoguBlog through 6.2 exposes Elasticsearch index management endpoints in the mogu_search service without authentication, allowing remote attackers to delete, recreate, or alter the blog search index. Attackers can invoke POST endpoints to wipe the entire search index, delete specific documents, or inject malicious index entries, causing search functionality to return incorrect or no results.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (exploit)
- 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-2026-89261?
- CVE-2026-89261 is a medium-severity vulnerability, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2026-09-11.
- How severe is CVE-2026-89261?
- Medium severity. CVSS v3 base score is 6.5 out of 10.