The “Shellshock” flaw has the potential to pose a risk to the payments industry, but doesn’t appear to have caused any problems yet, an official with a consortium run by major credit card companies warned on Tuesday.

The PCI Security Standards Council develops technical standards for protecting payment card data, a closely watched area following a spate of data breaches at retailers including Home Depot and Target.

“It has the potential to be a risk,” said Troy Leach, the organization’s CTO, of the flaw in the GNU Bourne Again Shell (Bash), a command-line shell processor in Unix and Linux.

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