Appian Community
Site
Search
Sign In/Register
Site
Search
User
DISCUSS
LEARN
SUCCESS
SUPPORT
Documentation
AppMarket
More
Cancel
I'm looking for ...
Home
»
Support
»
Appian Knowledge Base
»
Appian Knowledge Base
Browse Knowledge Base Articles
Find product support articles for frequently-asked-about topics
Administration
Application Design
Authentication
Cloud
How To
Infrastructure
Install/Upgrade
Integration
Mobile
Plug-ins
Web Browser
FAQs
Latest Knowledge Base Articles
All Pages
New Pages
Updated Pages
My Pages
KB-1187 "PKIX path building failed: error when attempting to make a call to an external server" error thrown when making web service calls over HTTPS or LDAPS
Revision
#15
on
17 Mar 2026 3:40 PM
Symptoms Making a web service call to an external server fails and the following is seen in the application server log: sun.security.validator.ValidatorException...
KB-2371 Information about the pac4j-jwt security vulnerability (CVE-2026-29000)
Revision
#2
on
9 Mar 2026 3:06 PM
On 05 March 2026, a critical vulnerability was discovered related to the pac4j-jwt library that affects multiple versions of the security framework. Applications using...
KB-2370 Information about the Cisco Adaptive Security Appliance vulnerability (CVE-2026-20127 and CVE-2022-20775)
Revision
#4
on
4 Mar 2026 8:17 PM
On 28 September 2022, Cisco released a security advisory regarding a vulnerability within their software-defined wide-area-networking (SD-WAN) product causing potential...
KB-2369 "APNX-1-4561-032. Please refresh the page and try again." error due to stale portal pages
Revision
#13
on
26 Feb 2026 10:51 PM
Symptoms Users may experience the following symptoms when accessing a portal that was republished: The following error is observed in the portal_errors.csv file...
KB-2253 2026 Holidays and On-Call Hours FAQ
Revision
#28
on
25 Feb 2026 2:39 PM
Table of Contents: Customer support during on-call hours and holidays On-call hours within each region Holidays within each region Blackout Periods Customer...
<
>