The FBIreportedlyexploited iOS’s notification issue to retrieve the Signal chats although they had been set to disappear and the messaging application was uninstalled from the device.The vulnerability resulted in previews of incoming messages to be saved to system cache, and they could later be scrapped using forensic tools.Shortly after Apple rolled out the fixes, Signal praised it for taking quick action to preserve users’ privacy.“Note that no action is needed for this fix to protect Signal users on iOS. Once you install the patch, all inadvertently-preserved notifications will be deleted and no forthcoming notifications will be preserved for deleted applications,” Signalsaid.Related:Oracle Patches 450 Vulnerabilities With April 2026 CPURelated:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
The vulnerability resulted in previews of incoming messages to be saved to system cache, and they could later be scrapped using forensic tools.Shortly after Apple rolled out the fixes, Signal praised it for taking quick action to preserve users’ privacy.“Note that no action is needed for this fix to protect Signal users on iOS. Once you install the patch, all inadvertently-preserved notifications will be deleted and no forthcoming notifications will be preserved for deleted applications,” Signalsaid.Related:Oracle Patches 450 Vulnerabilities With April 2026 CPURelated:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Shortly after Apple rolled out the fixes, Signal praised it for taking quick action to preserve users’ privacy.“Note that no action is needed for this fix to protect Signal users on iOS. Once you install the patch, all inadvertently-preserved notifications will be deleted and no forthcoming notifications will be preserved for deleted applications,” Signalsaid.Related:Oracle Patches 450 Vulnerabilities With April 2026 CPURelated:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
“Note that no action is needed for this fix to protect Signal users on iOS. Once you install the patch, all inadvertently-preserved notifications will be deleted and no forthcoming notifications will be preserved for deleted applications,” Signalsaid.Related:Oracle Patches 450 Vulnerabilities With April 2026 CPURelated:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Related:Oracle Patches 450 Vulnerabilities With April 2026 CPURelated:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Related:Progress Patches Multiple Vulnerabilities in MOVEit WAF, LoadMasterRelated:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Related:Dozens of Malicious Crypto Apps Land in Apple App StoreRelated:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Related:Fortinet Rushes Emergency Fixes for Exploited Zero-Day
Ionut Arghire is an international correspondent for SecurityWeek.
With "Shadow AI" usage becoming prevalent in organizations, learn how to balance the need for rapid experimentation with the rigorous controls required for enterprise-grade deployment.
Source: SecurityWeek
