CVE-2026-107780: Dromara Skyeye Unauthenticated OS Command Injection via textToSpeech format Parameter

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-13
Weakness: CWE-78

Description

Dromara Skyeye through commit 003549ae5615bd114ba5bb8ddf6a8e8ead97c321 contains an OS command injection vulnerability in the unauthenticated /post/TtsController/textToSpeech endpoint via the format parameter. Attackers can inject a single quote into format to break out of the PowerShell string and execute commands as the Skyeye service account on Windows.

References

https://github.com/dromara/skyeye
https://github.com/dromara/skyeye/blob/003549ae5615bd114ba5bb8ddf6a8e8ead97c321/skyeye-promote/skyeye-common/src/main/java/com/skyeye/common/service/impl/TtsServiceImpl.java#L105-L166
https://github.com/dromara/skyeye/issues/29
https://www.vulncheck.com/advisories/dromara-skyeye-unauthenticated-os-command-injection-via-texttospeech-format-parameter

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