Yes, CBD gummies can be detected at an airport, primarily during the X-ray screening of your carry-on or if a drug-sniffing dog is present. While TSA officers are not actively looking for drugs (their focus is on security threats like explosives), they are legally required to report any suspected illegal substances to law enforcement. In 2026, the legality of CBD depends on its THC content; according to federal law, hemp-derived CBD must contain less than 0.3% THC. However, because it is difficult to distinguish a CBD gummy from a THC-infused gummy or a regular candy without testing, bringing them through security carries a risk. If you are traveling internationally, the risk is much higher, as many countries (including Japan and the UAE) have zero-tolerance policies and will arrest travelers for even trace amounts of CBD in their luggage.