CVE-2020-26292: Chatter-Social Creeper

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Creeper is an experimental dynamic, interpreted language. The binary release of Creeper Interpreter 1.1.3 contains potential malware. The compromised binary release was available for a few hours between December 26, 2020 at 3:22 PM EST to December 26, 2020 at 11:00 PM EST. If you used the source code, you are **NOT** affected. This only affects the binary releases. The binary of unknown quality has been removed from the release. If you have downloaded the binary, please delete it and run a reputable antivirus scanner to ensure that your computer is clean.

Affected products

Published 2021-01-04. Last modified 2026-06-17.