CyberSecurityBoardThreat Intel · CVEs · Products

Tag: mrmustard

Cyber Companies

Xanadu’s mrmustard Library Poisoned

Xanadu's photonic quantum computing Python library, mrmustard, was compromised with a poisoned version that ran an information stealer. The attack involved breaching…

information stealer mrmustard Supply Chain Xanadu
August 3, 2026
Cyber Companies

StepSecurity Analyzes mrmustard Attack

StepSecurity analyzed the mrmustard supply chain attack, revealing that the payload ran on every package import and that the maintainer's GitHub account…

CI/CD mrmustard StepSecurity Supply Chain
June 25, 2026