CVE-2026-89263
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-306 · Missing authentication
- Record status
- Deferred
Attack profile CVSS 4.0 · 6.9
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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/mogublog/web/config/WebSecurityConfig.java
- 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-missing-authentication-on-the-comment-email-notification-endpoint