CVE-2026-121936 easyVoice before 0.0.23 SSRF via openaiBaseUrl in TTS API

Medium 6.9 Published 4 Nov 2026 Updated 4 Nov 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-121936?

CVE-2026-121936 is a medium-severity vulnerability in cosin2077 easyVoice, published on 4 Nov 2026.

Official description

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.

Weakness: CWE-918

Which versions are affected by CVE-2026-121936?

How do I fix CVE-2026-121936?

No fix has been published for CVE-2026-121936 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-121936 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-121936 exists.

Sources

Also known as GHSA-5rpq-mc2h-94cc.