LINE Corporation — Vulnerabilities & Security Advisories 23

LINE Corporation operates as a prominent Japanese telecommunications and social networking service provider, primarily known for its instant messaging platform that facilitates voice and video calls alongside digital payments. Security audits have identified twenty-three Common Vulnerabilities and Exposures (CVEs) associated with the company’s infrastructure, reflecting a history of diverse technical flaws. These vulnerabilities predominantly involve remote code execution, cross-site scripting, and privilege escalation issues, often stemming from improper input validation or access control misconfigurations within its web and mobile applications. While no catastrophic data breaches have been publicly documented as direct results of these specific CVEs, the recurring nature of these defects highlights ongoing challenges in securing complex, high-traffic consumer platforms. The company continues to address these technical debt items through routine patching and security updates, maintaining operational stability despite the persistent presence of exploitable code paths in its legacy systems.