https://www.bleepingcomputer.com/news/security/citrix-bleed-exploit-lets-hackers-hijack-netscaler-accounts/

A proof-of-concept (PoC) exploit is released for the 'Citrix Bleed' vulnerability, tracked as CVE-2023-4966, that allows attackers to retrieve authentication session cookies from vulnerable Citrix NetScaler ADC and NetScaler Gateway appliances.

CVE-2023-4966 is a critical-severity remotely exploitable information disclosure flaw Citrix fixed on October 10 without providing many details.