What’s Vulnerable › Vulnerabilities

CVE-2026-89261: MoguBlog through 6.2 Missing Authentication for Elasticsearch Index Management Endpoints

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-11 · updated 2026-09-11
• Weakness: CWE-306

Description

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.

Affected products

• moxi624 MoguBlog: through 6.2

References

• https://gitee.com/moxi159753/mogu_blog_v2/releases
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C05_search_initElasticSearchIndex.py
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C06_search_deleteElasticSearchByUids.py
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C07_search_deleteElasticSearchByUid.py
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C11_search_addElasticSearchIndexByUid.py
• https://github.com/moxi624/mogu_blog_v2
• https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_search/src/main/java/com/moxi/mogublog/search/config/WebSecurityConfig.java
• https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_search/src/main/java/com/moxi/mogublog/search/restapi/ElasticSearchRestApi.java
• https://www.vulncheck.com/advisories/mogublog-through-6.2-missing-authentication-for-elasticsearch-index-management-endpoints

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