CVE-2026-89263

MoguBlog through 6.2 fails to authenticate requests to the /web/comment/closeEmailNotification endpoint, allowing unauthenticated attackers to disable email notifications for arbitrary users. Remote callers can modify the startEmailNotification flag in Redis cache for any user identifier to suppress reply notifications without authorization.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-09-11

Last modified

2026-09-24

Weaknesses

CWE-306

Affected products

• Mogublog (Mogublog Project)

References

• https://gitee.com/moxi159753/mogu_blog_v2/releases
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C08_comment_closeEmailNotification.py
• https://github.com/moxi624/mogu_blog_v2
• https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/m…
• https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/m…
• https://www.vulncheck.com/advisories/mogublog-through-6.2-missing-authentication-on-the-comment-email-notification-endp…