ape-volo-admin before 3.6.1 Hardcoded JWT Signing Key Authentication Bypass

Summary

ape-volo-admin before 3.6.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key in appsettings.json. Attackers can sign tokens offline with the jti claim set to the seeded administrator id to gain full API control over users, roles, permissions and data.

Remediation

1. Inventory every xianhc ape-volo-admin deployment, including staging.
2. Upgrade xianhc ape-volo-admin to 3.6.1.
3. Confirm the running version after the upgrade.

References

• Patchhttps://github.com/xianhc/ape-volo-admin/commit/938f7ec58047f0c63123dc155d6a033910f00933
• Advisoryhttps://www.vulncheck.com/advisories/ape-volo-admin-before-3.6.1-hardcoded-jwt-signing-key-authentication-bypass
• Referencehttps://github.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Api/appsettings.json#L4-L10
• Referencehttps://github.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Infrastructure/Authentication/PermissionHandler.cs#L130-L172
• Referencehttps://github.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Infrastructure/Extensions/AuthorizationExtensions.cs#L50-L60
• Referencehttps://github.com/xianhc/ape-volo-admin/issues/36
• Referencehttps://github.com/xianhc/ape-volo-admin/releases/tag/V3.6.1
• Referencehttps://hackmd.io/@hieuPenguinnn/ape-volo-admin-hardcoded-jwt-secret-admin-token-forgery