lychee link checking action checks links in Markdown, HTML, and text files using lychee. Prior to version 2.0.2, there is a potential attack of arbitrary code injection vulnerability in lychee-setup of the composite action at action.yml. This issue has been patched in version 2.0.2.
Exploitability
AV:NAC:HAT:NPR:NUI:NVulnerable System
VC:HVI:HVA:NSubsequent System
SC:NSI:NSA:N6.9/CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:UInjection