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Adobe Releases Emergency Update for Campaign Classic Fixing Multiple Critical Vulnerabilities

Adobe has issued an urgent security update for Adobe Campaign Classic to address seven critical vulnerabilities, including several with a maximum CVSSv3.1 base score of 10.0. The flaws affect on-premises deployments on Windows and Linux as well as the on-premises components of hybrid setups. Notably, the newly released fixes also impact the previous emergency update from July 29, version 7.4.3 build 9398, requiring users to apply the latest patch immediately. Among the most severe issues are a server-side request forgery vulnerability tracked as CVE-2026-48331, an input handling flaw in the template engine identified as CVE-2026-48323, and an SQL injection vulnerability labeled CVE-2026-48330. Adobe published the corresponding security advisory on August 3, 2026, urging rapid remediation despite the short interval since the prior update.

Security NEXTTranslated from Japanese

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Adobe has released an emergency security update for Adobe Campaign Classic to address seven critical vulnerabilities, several of which received the maximum CVSSv3.1 base score of 10.0.

The company disclosed the issues on August 3, 2026, through a security advisory and urged immediate application of the new patches. The vulnerabilities impact on-premises installations running on Windows and Linux as well as the on-premises components in hybrid deployments.

Just days earlier, on July 29, Adobe had already shipped an emergency update (version 7.4.3 build 9398). However, both that release and all prior versions remain affected by the newly disclosed flaws, necessitating another round of updates.

The most severe issues include:

  • CVE-2026-48331 – a server-side request forgery (SSRF) vulnerability
  • CVE-2026-48323 – an input processing flaw in the template engine
  • CVE-2026-48330 – an SQL injection vulnerability

All three received a CVSSv3.1 base score of 10.0. Adobe recommends that organizations running the affected versions apply the latest fixes without delay to prevent potential exploitation.

Adobe Campaign ClassicCVSSv3.1CVE-2026-48331CVE-2026-48323CVE-2026-48330
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