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KB-2389 System Process Models show up in the health check results after AI Agents are enabled
- Revision #2
- on 6 Jul 2026 2:25 PM
Symptoms This issue occurs after upgrading to Appian Platform version 25.4 and enabling the AI Agents feature. The Health Check findings in either the emailed Health...
KB-2388 Information about the copy.fail Linux kernel security vulnerabilities (CVE-2026-31431 and CVE-2026-43284)
- Revision #1
- on 6 Jul 2026 1:56 PM
On 29 April 2026, a critical Local Privilege Escalation (LPE) and container escape vulnerability, dubbed "copy.fail” was disclosed in the Linux kernel. This was followed...
KB-2253 2026 Holidays and On-Call Hours FAQ
- Revision #29
- on 3 Jul 2026 4:22 AM
Table of Contents: Customer support during on-call hours and holidays On-call hours within each region Holidays within each region Blackout Periods Customer...
KB-2387 421 redirect issue caused by AWS HTTPD patching
- Revision #8
- on 30 Jun 2026 7:25 PM
Symptoms After upgrading Apache httpd to version 2.4.63 or later, users may see the following error when accessing their environments that use an AWS Application Load...
KB-2386 Log ingestion pipelines fail for login-audit.csv after upgrading to Appian 25.4
- Revision #14
- on 15 Jun 2026 4:05 PM
Symptoms After upgrading to Appian 25.4, automated log ingestion pipelines (such as Splunk, Datadog, ELK, or custom Appian expression rules) that process the <APPIAN_HOME...