This article is a fact-check and explicitly labels the circulating claim as fake news. Social media posts and some blogs alleged that Pakistan's mounting water crisis would worsen because Afghanistan's Taliban government planned to divert water from the Kunar River toward the Nangarhar region. There are currently no credible reports from Pakistani authorities, Afghan authorities, or international water agencies confirming such a diversion. Transboundary water management is a complex field that typically requires formal treaties, cross-border negotiations, and transparent public documentation; none of these have appeared in connection with the Kunar River. The Kunar River originates in the Hindu Kush and flows through Afghanistan toward the border, with no official project announced to redirect water toward Nangarhar. The claims rely on alarmist language, misattributed statements, and a lack of verifiable sources, which are telltale signs of misinformation intended to inflame cross-border tensions around resource scarcity. To verify similar claims, readers should consult multiple reputable outlets, seek official statements from the governments involved, and look for analyses from independent researchers or international organizations. If credible corroboration is not available and dates are unclear, treat the information as unverified or false. This piece underscores the importance of media literacy in an era of rapid information spread and demonstrates how easily a false narrative can gain traction without solid evidence.