CVE-2026-89262 MoguBlog - Authorization Bypass

MoguBlog <= 6.2 contains an authorization bypass caused by ownership checks against request-body fields instead of the authenticated principal in the comment deletion endpoint, letting attackers delete arbitrary comments and replies, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.54% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Update to the latest version that properly validates ownership against the authenticated principal.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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