Unauthenticated read access via undisclosed security bypass
Published Aug 3, 2026 · Updated Aug 3, 2026
Security-feature bypass in Adobe Campaign Classic 7.4.3 build 9398 and earlier allows remote attackers to gain unauthorized read access. Adobe has not disclosed the affected component or the design error that causes security checks to permit the unauthorized read. No authentication or user interaction is required, and the published impact is limited to disclosure rather than data changes or service interruption.
Summary
What happened
Security-feature bypass in Adobe Campaign Classic 7.4.3 build 9398 and earlier allows remote attackers to gain unauthorized read access. Adobe has not disclosed the affected component or the design error that causes security checks to permit the unauthorized read. No authentication or user interaction is required, and the published impact is limited to disclosure rather than data changes or service interruption.
The record
- CVE
- CVE-2026-48399
- Published
- Aug 3, 2026
- Updated
- Aug 3, 2026
- Vendor
- Adobe
- Product
- Adobe Campaign Classic
- Classifications
- CWE-657
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 3, 2026CVE publishedPublication date reported by the CVE source.
- Aug 3, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=ACC v7: 7.4.3 build 9398
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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