Vulnerability · Published Sep 11, 2026 · Assigned by VulnCheck
CVE-2026-89263MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint
Medium 5.3
In plain English
A medium-severity missing authentication in MoguBlog from moxi624. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- C08 - GET /web/comment/closeEmailNotification/{userUid} proof of concept exploit
- CommentRestApi.bindUserEmail takes the target user from the path with no authorization check technical-description
- mogu_web WebSecurityConfig permits /web/comment/** for all callers technical-description
- MoguBlog releases release-notes
- Product product
- VulnCheck Advisory: MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint third-party-advisory