The gh package before 1.5.0 for R delivers an HTTP response in a data structure that includes the Authorization header from the corresponding HTTP request.
Exploitability
AV:LAC:HPR:NUI:NScope
S:CImpact
C:LI:NA:N3.2/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:NOther