Kong Event Gateway up to 1.1.1/1.2.0 AWS IAM Encryption Feature random values

Summaryinfo

A vulnerability marked as problematic has been reported in Kong Event Gateway up to 1.1.1/1.2.0. This issue affects some unknown processing of the component AWS IAM Encryption Feature. The manipulation leads to random values. This vulnerability is traded as CVE-2026-17578. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Kong Event Gateway up to 1.1.1/1.2.0 and classified as problematic. This issue affects an unknown code of the component AWS IAM Encryption Feature. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. Impacted is confidentiality. The summary by CVE is:

Kong Event Gateway versions 1.0.0 through 1.1.1 and 1.2.0 do not enforce key rotation before reaching NIST SP 800-38D recommended usage limit for AES-GCM encryption keys with random nonces when the AWS IAM encryption feature is enabled. If a producer sends messages at a sustained high rate without key rotation, which only occurs on reboot of the Kong Event Gateway instance, the probability of a nonce collision becomes non-negligible. An authorized consumer who detects a nonce collision can recover parts of plaintext from the affected messages. New versions 1.1.2 and 1.2.1 enforce automatic key rotation before the recommended usage limit is reached.

It is possible to read the advisory at developer.konghq.com. The identification of this vulnerability is CVE-2026-17578 since 07/27/2026. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

Upgrading to version 1.1.2 or 1.2.1 eliminates this vulnerability.

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Productinfo

Vendor

• Kong

Name

• Event Gateway

Version

• 1.0
• 1.1
• 1.1.0
• 1.1.1
• 1.2.0

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CPE 2.2info

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