Black & White Path
Feb 12, 2026 · Information Security
Why Unknown Passengers Appear in Your 12306 Account and Can't Be Deleted
Recent reports show that many 12306 users suddenly find unfamiliar passengers listed in their account’s “frequent contacts” and are unable to remove them, a problem traced to third‑party ticketing apps that retain login credentials and expose personal data to misuse.
12306account securitycredential stuffing
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