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Adobe Analytics customers customer data exposed after Adobe breach

Data Leak
First reported
Last updated
Happening score
H score 26
1 unique sources, 1 articles

Summary

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Adobe Analytics experienced a cross-tenant data exposure that could contaminate reports and downstream feeds with another customer's tracking data. The issue began on September 17, 2025 at 12:20 UTC after a performance optimization change introduced a bug in data collection. A private advisory said fields were overwritten with values from other customers' streams, and the affected window ran until September 18 at 11:00 UTC. Adobe said customers should delete or purge impacted data because the contamination may include information originating from other tenants.

Related Happenings

Adobe security patch release for CVE-2026-34621

Security Patch Release
H score43 First: 12.04.2026 07:25 Last: 12.04.2026 07:25 Sources 1

About this happening: Adobe issued emergency updates for Acrobat Reader, Acrobat DC, and Acrobat 2024 after CVE-2026-34621 was found actively exploited in the wild. The patc...

Open Happening

Adobe Reader zero-day exploited via malicious PDFs security flaw

Vulnerability
H score38 First: 09.04.2026 12:22 Last: 09.04.2026 12:22 Sources 1

About this happening: Adobe Reader is facing an actively exploited zero-day delivered through malicious PDF documents and observed since at least December. The flaw works on the lates...

Latest development: 13.04.2026 18:37

Adobe released an emergency security update for Acrobat Reader to fix CVE-2026-34621 after zero-day exploitation in malicious PDF files. The bulletin says Acrobat DC versions 26.001.21367 and earlier, Acrobat Reader DC versions 26.001.21367 and earlier, and Acrobat 2024 versions 24.001.30356 and earlier are affected, and Adobe recommends updating through Help > Check for Updates or the official installer.

Open Happening

Magento Open Source and Adobe Commerce PolyShell unauthenticated RCE flaw

Vulnerability
H score30 First: 19.03.2026 22:01 Last: 19.03.2026 22:01 Sources 1

About this happening: PolyShell is a Magento Open Source and Adobe Commerce vulnerability that can enable unauthenticated code execution and account takeover across stable version...

Open Happening

Wynn Resorts hit by cyberattack

Incident
H score50 First: 24.02.2026 23:51 Last: 24.02.2026 23:51 Sources 1

About this happening: Wynn Resorts confirmed an employee data breach after an unauthorized third party stole data from its systems, creating exposure risk for staff records. The company said it...

Open Happening

Adobe mitigation guidance for Adobe Commerce and Magento Open Source urgent remediation for CVE-2025-54236

Advisory/Mitigation
H score38 First: 09.09.2025 18:53 Last: 09.09.2025 18:53 Sources 1

About this happening: Adobe urged Adobe Commerce and Magento Open Source administrators to test and deploy the available patch immediately for CVE-2025-54236, reducing the risk of unaut...

Open Happening

Timeline

  1. 01.10.2025 22:58 1 articles · 9mo ago

    Adobe Analytics customers customer data exposed after Adobe breach

    Initial Disclosure

    A bug in Adobe Analytics data collection caused cross-tenant tracking data to appear in other customers' instances. The affected window began on September 17, 2025 at 12:20 UTC and continued until the change was reverted on September 18 at 11:00 UTC.

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  2. 01.10.2025 22:58 1 articles · 9mo ago

    Adobe reverts Analytics Edge change after customer data exposure

    Mitigation Patch Update

    Adobe reverted a performance optimization change in Analytics Edge data collection on September 18, 2025 at 11:00 UTC and continued cleaning impacted Adobe Analytics datasets after a bug caused cross-tenant customer data to appear in Analysis Workspace reports, Data Feeds, Live Stream, scheduled reports, and other integrations.

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