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Signal

Apple patches iOS flaw that retained deleted notifications including Signal messages

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-04-22 19:30 UTCUpdated 2026-04-23 13:42 UTC
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Evidence trail (top sources)
top sources (4 domains)domains are deduped. counts indicate coverage, not truth.
4 top sources shown
Apple Fixes iOS Notification Bug Exposing Deleted Messages
Infosecurity Magazine · News · infosecurity-magazine.com · 2026-04-23 13:00 UTC
Apple fixes iOS bug that kept deleted notifications, including chat previews
Malwarebytes Threat Analysis · News · malwarebytes.com · 2026-04-23 10:27 UTC
View all evidence
Overview

Apple has released security updates for iOS and iPadOS to fix a vulnerability (CVE-2026-28950) in Notification Services that caused deleted notifications, including chat previews from apps like Signal, to be unexpectedly retained on devices.

Entities
AppleSignalFBI
Score total
1.97
Momentum 24h
11
Posts
11
Origins
10
Source types
1
Duplicate ratio
0%
Why now
  • The vulnerability was publicly reported following a forensic case involving Signal messages.
  • Apple released out-of-band patches on April 22, 2026, to address the issue urgently.
  • Users and administrators need to update immediately to mitigate potential data exposure risks.
Why it matters
  • Deleted notifications containing sensitive message previews were unexpectedly retained, risking user privacy.
  • Law enforcement could recover supposedly deleted messages, highlighting forensic implications.
  • Prompt patching is critical to prevent unauthorized access to deleted notification data.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: high
Recurring claims
  • Apple patched a Notification Services vulnerability (CVE-2026-28950) that caused deleted notifications to be retained on iOS devices.
  • The vulnerability allowed law enforcement to recover deleted Signal message notifications from unlocked iPhones during forensic analysis.
All evidence
All evidence
Apple Fixes iOS Notification Bug Exposing Deleted Messages
Infosecurity Magazine · infosecurity-magazine.com · 2026-04-23 13:00 UTC
Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950)
Help Net Security · helpnetsecurity.com · 2026-04-23 11:15 UTC
Apple fixes iOS bug that kept deleted notifications, including chat previews
Malwarebytes Threat Analysis · malwarebytes.com · 2026-04-23 10:27 UTC
Apple Patches Exploited Notification Flaw, (Thu, Apr 23rd)
SANS Internet Storm Center (Handler's Diary) · isc.sans.edu · 2026-04-23 10:18 UTC
Apple Patches iOS Flaw Allowing Recovery of Deleted Chats
SecurityWeek · securityweek.com · 2026-04-23 08:50 UTC
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Posts loaded: 0Publishers: 6Origin domains: 6Duplicates: -
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Top publishers (this list)
  • SC Media (1)
  • Infosecurity Magazine (1)
  • Help Net Security (1)
  • Malwarebytes Threat Analysis (1)
  • SANS Internet Storm Center (Handler's Diary) (1)
  • SecurityWeek (1)
Top origin domains (this list)
  • scworld.com (1)
  • infosecurity-magazine.com (1)
  • helpnetsecurity.com (1)
  • malwarebytes.com (1)
  • isc.sans.edu (1)
  • securityweek.com (1)