cosin2077 easyVoice up to 0.0.22 TTS Endpoint /api/v1/tts openaiBaseUrl server-side request forgery

Summaryinfo

A vulnerability classified as critical has been found in cosin2077 easyVoice up to 0.0.22. This affects an unknown part of the file /api/v1/tts of the component TTS Endpoint. This manipulation of the argument openaiBaseUrl causes server-side request forgery. The identification of this vulnerability is CVE-2026-121936. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in cosin2077 easyVoice up to 0.0.22 and classified as critical. Affected by this vulnerability is some unknown processing of the file /api/v1/tts of the component TTS Endpoint. The manipulation of the argument openaiBaseUrl with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

easyVoice before 0.0.23 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server send POST requests by supplying openaiBaseUrl with useLLM enabled. Attackers can target loopback and internal services through /api/v1/tts endpoints, using reflected error messages in the x-generate-tts-warning header to probe internal hosts and ports.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-121936 since 11/04/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.0.23 eliminates this vulnerability.

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Productinfo

Vendor

• cosin2077

Name

• easyVoice

Version

• 0.0.1
• 0.0.2
• 0.0.3
• 0.0.4
• 0.0.5
• 0.0.6
• 0.0.7
• 0.0.8
• 0.0.9
• 0.0.10
• 0.0.11
• 0.0.12
• 0.0.13
• 0.0.14
• 0.0.15
• 0.0.16
• 0.0.17
• 0.0.18
• 0.0.19
• 0.0.20
• 0.0.21
• 0.0.22

Website

• Product: https://github.com/cosin2077/easyVoice/

CPE 2.3info

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CPE 2.2info

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