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CVE-2026-89263— MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint

Quick assessment

Affected
moxi624 MoguBlog
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

以下是该漏洞描述的中文翻译： MoguBlog 6.2 及更早版本 未能对 接口的请求进行身份验证，使得未认证的远程攻击者能够禁用任意用户的邮件通知功能。远程调用者可以在 Redis 缓存中修改任意用户标识符的 标志位，从而在未经授权的情况下抑制回复通知。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-89263

Vulnerability Information
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Vulnerability Title
MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
moxi624 MoguBlog 0 ~ 6.2 -

II. Public POCs for CVE-2026-89263

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III. Intelligence Information for CVE-2026-89263

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Vendor Advisories for CVE-2026-89263 (1)

Proof of Concept for CVE-2026-89263 (1)

Security Blog Posts for CVE-2026-89263 (1)

Same Patch Batch · moxi624 · 2026-09-11 · 6 CVEs total

CVE-2026-89262 7.5 HIGH MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
CVE-2026-89260 7.5 HIGH MoguBlog through 6.2 XML External Entity Injection in the Unauthenticated WeChat Callback
CVE-2026-89261 6.5 MEDIUM MoguBlog through 6.2 Missing Authentication for Elasticsearch Index Management Endpoints
CVE-2026-89264 4.3 MEDIUM MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
CVE-2026-89265 4.3 MEDIUM MoguBlog through 6.2 Missing Authorization on the Admin getPictureSortByUid Endpoint

IV. Related Vulnerabilities

Same product: MoguBlog
Same vendor: moxi624
Same weakness: CWE-306

V. Comments for CVE-2026-89263

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