High severity · published Sep 11, 2026
CVE-2026-89262
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MoguBlog · moxi624
through 6.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89262
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89262
gitee.com
https://gitee.com/moxi159753/mogu_blog_v2/releases
github.com
https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py
github.com
https://github.com/moxi624/mogu_blog_v2
github.com
https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java
github.com
https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java
www.vulncheck.com
https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check
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