---
title: "CVE-2026-89262: MoguBlog - Authorization Bypass"
description: "MoguBlog <= 6.2 contains an authorization bypass caused by ownership checks against request-body fields instead of the authenticated principal in the comment deletion endpoint, letting attackers delete arbitrary comments and replies, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-89262/
---

# CVE-2026-89262 MoguBlog - Authorization Bypass

MoguBlog <= 6.2 contains an authorization bypass caused by ownership checks against request-body fields instead of the authenticated principal in the comment deletion endpoint, letting attackers delete arbitrary comments and replies, exploit requires no authentication.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.54% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89262)

## Details

Type

Authorization Bypass

Impact

Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version that properly validates ownership against the authenticated principal.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89262](https://nvd.nist.gov/vuln/detail/CVE-2026-89262)
- [https://gitee.com/moxi159753/mogu\_blog\_v2/releases](https://gitee.com/moxi159753/mogu_blog_v2/releases)
- [https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04\_comment\_delete\_idor.py](https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py)
- [https://github.com/moxi624/mogu\_blog\_v2](https://github.com/moxi624/mogu_blog_v2)
- [https://github.com/moxi624/mogu\_blog\_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu\_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java](https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java)
- [https://github.com/moxi624/mogu\_blog\_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu\_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java](https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java)
- [https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check](https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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