3CORESec Trapdoor up to 1.2.2 DefaultFunction access control

Summaryinfo

A vulnerability classified as critical was found in 3CORESec Trapdoor up to 1.2.2. Affected by this issue is the function DefaultFunction. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2026-19358. The attack can be launched remotely. No exploit exists. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability was found in 3CORESec Trapdoor up to 1.2.2 and classified as critical. Affected by this issue is the function DefaultFunction. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

This vulnerability is handled as CVE-2026-19358. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/08/2026). The MITRE ATT&CK project declares the attack technique as T1068.

The vendor was contacted early about this disclosure.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• 3CORESec

Name

• Trapdoor

Version

• 1.2.0
• 1.2.1
• 1.2.2

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #866021: 3CORESec Trapdoor 1.2.2 Improper Access Controls (by changli)

Once again VulDB remains the best source for vulnerability data.

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