# CVE-2026-89262

## Summary

- **CVE ID:** CVE-2026-89262
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-639
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## Description

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.

## Affected Products

- moxi624 — MoguBlog (0)

## References

- [CNA](https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py)
- [CNA](https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java)
- [CNA](https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java)
- [CNA](https://gitee.com/moxi159753/mogu_blog_v2/releases)
- [CNA](https://github.com/moxi624/mogu_blog_v2)
- [CNA](https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._