Sensitive Information Exposure in HCL Traveler

CVE-2026-21783

What is CVE-2026-21783?

HCL Traveler is susceptible to a sensitive information disclosure vulnerability that arises from its error-handling mechanisms. When errors occur, the application may generate messages that inadvertently reveal detailed information, such as internal system paths, file names, sensitive tokens, and credentials. This leakage could provide attackers with critical insights into the underlying system architecture, fostering an environment conducive to targeted exploitation and attacks. Organizations utilizing HCL Traveler must be cognizant of this vulnerability to implement appropriate safeguards and mitigate associated risks.

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