Multiple Shared Platforms : Patch Deployment Failures for KB5123099 – FileHashValidationFailed Error (IM-12864)

Update timeline

1. investigating Sep 14, 2026, 11:26 AM UTC

   Qualys Cloud Platform Operations is currently investigating an issue affecting Patch deployment for KB5123099 across multiple platforms. This issue is resulting in patch deployment failures with the error FileHashValidationFailed. The team is actively investigating the issue, and we will share further updates as more information becomes available. Ticket reference: IM-12864

2. investigating Sep 14, 2026, 06:21 PM UTC

   We are continuing to investigate this issue.

3. identified Sep 14, 2026, 09:31 PM UTC

   The issue has been identified and a fix is being implemented.

4. monitoring Sep 15, 2026, 08:06 PM UTC

   A fix has been implemented. Now that the correct hash has been validated, in order for this patch to install, users will need to redeploy the patch by performing one of the following: 1). Create new job with the patch included 2). Re-run of the previous job created 3). cloning the old job and execute If the Patch is cached, reset will be required as the cached patch will have the same download URL when the error was first observed and continue to fail install. Once the patch is redeployed, hash validation and patch install will be successful

5. resolved Sep 16, 2026, 04:40 PM UTC

   This incident has been resolved.