Advisory Details

March 23rd, 2026

(Pwn2Own) Samsung Galaxy S25 Samsung Account Open Redirect Security Bypass Vulnerability

CVE ID	CVE-2025-58487
CVSS SCORE	5.6, AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
AFFECTED VENDORS	Samsung
AFFECTED PRODUCTS	Galaxy S25
VULNERABILITY DETAILS	This vulnerability allows remote attackers to bypass security on affected installations of Samsung Galaxy S25. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Samsung Account application. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this vulnerability to start arbitrary Android exported activites.
ADDITIONAL DETAILS	Samsung has issued an update to correct this vulnerability. More details can be found at: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=12
DISCLOSURE TIMELINE	2025-11-20 - Vulnerability reported to vendor 2026-03-23 - Coordinated public release of advisory 2026-03-23 - Advisory Updated
CREDIT	Ken Gannon / 伊藤剣 (@yogehi) of Mobile Hacking Lab, and Dimitrios Valsamaras (@Ch0pin)

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