CVE-2026-92793: GoAdmin through 1.2.26 Authorization Bypass via Query Parameter

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-22
Weakness: CWE-863

Description

GoAdmin through 1.2.26 fails to properly anchor the logout pattern when checking permissions, allowing authenticated users to bypass permission checks by appending a query parameter. Attackers can append a query string containing the admin prefix followed by /logout to reach administrative endpoints and perform unauthorized actions including reading sensitive data and modifying application state.

Affected products

GoAdminGroup go-admin: through 1.2.26

References

https://github.com/GoAdminGroup/go-admin
https://github.com/GoAdminGroup/go-admin/blob/v1.2.26/modules/auth/middleware.go#L177
https://github.com/GoAdminGroup/go-admin/blob/v1.2.26/plugins/admin/models/user.go#L129-L133
https://github.com/GoAdminGroup/go-admin/issues/690
https://www.vulncheck.com/advisories/goadmin-through-1.2.26-authorization-bypass-via-query-parameter

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