CVE-2026-89263 PUBLISHED

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

Assigner: VulnCheck
Reserved: 11.09.2026 Published: 11.09.2026 Updated: 11.09.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS 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
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	moxi624
Product	MoguBlog
Versions	Default: unaffected affected from 0 to 6.2 (incl.)

CVE-2026-89263 PUBLISHED

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

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Product Status

Credits

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Problem Types