Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-89263

CVE-2026-89263MEDIUM

moxi624 MoguBlog — MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   N   L   N    6.9   .0045   37.0     —

AFFECTED
  Product   Versions     Fixed
  MoguBlog  unspecified  —

TIMELINE
  Sep 11  Reserved by VulnCheck
  Sep 11  Published (CNA: VulnCheck)
  Sep 15  EXPLOIT PUBLISHED — CVE-2026-89263 (moxi624 MoguBlog). Public exploit reference added.
  Sep 24  EXPLOIT PUBLISHED — CVE-2026-89263 (moxi624 MoguBlog). Public exploit reference added.

CWE-306 · CNA: VulnCheck · CVSS v4.0 · 6 references · NVD status: Deferred

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 11, 2026	Reserved	Reserved by VulnCheck
September 11, 2026	Published	Published (CNA: VulnCheck)
September 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-89263 (moxi624 MoguBlog). Public exploit reference added.
September 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-89263 (moxi624 MoguBlog). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
moxi624	MoguBlog	—	—	—

Weaknesses

CWE-306

References (6)

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

Authoritative record: CVE-2026-89263 at cve.org

Vendors: moxi624

Weaknesses: CWE-306

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-89263 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.