Authorization Bypass in MoguBlog Affects Role-Based Permissions
CVE-2026-89265

5.3MEDIUM

Key Information:

Vendor

Moxi624

Status
Mogublog
Vendor
CVE Published:
11 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-89265?

MoguBlog versions up to 6.2 are vulnerable to an authorization bypass via the POST /pictureSort/getPictureSortByUid endpoint. This vulnerability arises from the omission of the @AuthorityVerify annotation necessary for enforcing role-based permissions. As a result, authenticated back-office users without the appropriate image-category permissions can access restricted image-category records. This includes sensitive metadata like category names, cover file identifiers, sort order, and timestamps, which could lead to unauthorized exposure of this information.

Affected Version(s)

MoguBlog 0 <= 6.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-89265 - Proof of Concept

References

https://github.com/LinYuanyi1/cve-request-poc/blob/master...
exploit
https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e...
technical-description
https://gitee.com/moxi159753/mogu_blog_v2/releases
release-notes

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mingsheng Lin
.