CVE-2026-89264

MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://gitee.com/moxi159753/mogu_blog_v2/releases
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C12_comment_add_author_spoof.py
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/restapi/CommentRestApi.java
https://www.vulncheck.com/advisories/mogublog-through-6.2-comment-author-spoofing-via-request-body-identity

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-11 16:17

Updated : 2026-09-11 17:35

NVD link : CVE-2026-89264

Mitre link : CVE-2026-89264

CVE.ORG link : CVE-2026-89264

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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