CVE-2026-89263

MEDIUM 5.3

MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	moxi624
Product	mogublog
Published	Sep 11, 2026
Last Updated	Sep 15, 2026

Stay Ahead of the Next One

Get instant alerts for moxi624 mogublog

Be the first to know when new medium vulnerabilities affecting moxi624 mogublog are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

moxi624 / MoguBlog

0 ≤ 6.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Mingsheng Lin