CoreUnion CoreShop up to 1.5.5 Order Controller OrderController id/reshipId authorization

Summaryinfo

A vulnerability has been found in CoreUnion CoreShop up to 1.5.5 and classified as critical. This issue affects the function OrderController of the component Order Controller. Performing a manipulation of the argument id/reshipId results in authorization. This vulnerability is known as CVE-2026-108696. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in CoreUnion CoreShop up to 1.5.5. This affects the function OrderController of the component Order Controller. The manipulation of the argument id/reshipId with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CoreShop through 1.5.5 contains an authorization bypass vulnerability in the OrderController that allows authenticated customers to act on other customers' orders by supplying user-controlled ids. Attackers can omit the data field in OrderConfirm or supply another reshipId to SendReship to confirm receipt of others' orders and overwrite return tracking details.

It is possible to read the advisory at hackmd.io. This vulnerability is uniquely identified as CVE-2026-108696 since 10/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• CoreUnion

Name

• CoreShop

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5

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CPE 2.2info

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