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

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MEDIUM

MoguBlog through 6.2 Missing Authentication for Elasticsearch Index Management Endpoints

Published Sep 11, 2026

6.9

MEDIUM

CVSS 4.0

EPSS 0.83%

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

Vendor Moxi624 Product MoguBlog Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=6.2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Moxi624

MoguBlog

unaffected

Version	Status	Constraints
0	affected	<=6.2

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-306

Missing Authentication

References (10)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-76134		Advisory
https://gitee.com/moxi159753/mogu_blog_v2/releases		release-notes
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C05_search_initElasticSearchIndex.py		exploit
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C06_search_deleteElasticSearchByUids.py		exploit
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C07_search_deleteElasticSearchByUid.py		exploit
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C11_search_addElasticSearchIndexByUid.py		exploit
https://github.com/moxi624/mogu_blog_v2		product
https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_search/src/main/java/com/moxi/mogublog/search/config/WebSecurityConfig.java		technical-description
https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_search/src/main/java/com/moxi/mogublog/search/restapi/ElasticSearchRestApi.java		technical-description
https://www.vulncheck.com/advisories/mogublog-through-6.2-missing-authentication-for-elasticsearch-index-management-endpoints		third-party-advisory