Major incident

TeamViewer: WebAPI incident

Oct 21, 2026, 14:17 UTC

started

14:43 UTC

resolved

26 min

duration

Affected: API

Current status of TeamViewer: Minor issues — live TeamViewer status

Timeline

Oct 21, 2026, 14:17 UTC
investigating
We´re currently seeing issues with our WebAPI services being unreliable, we´re working on a fix
Oct 21, 2026, 14:29 UTC
identified
The issue has been identified and a fix is being implemented.
Oct 21, 2026, 14:31 UTC
monitoring
A fix has been implemented and we are monitoring the results.
Oct 21, 2026, 14:43 UTC
resolved
This incident has been resolved.

Updates as published by TeamViewer (original).

This was part of a wider event: 109 services reported incidents within the hour.

Sucuri 15:14 UTC · PHP Security Advisory: Critical remote code execution vulnerabilities
Fasthosts 15:10 UTC · Security maintenance: Short interruptions possible on PHP-based services
Workable 15:08 UTC · E-signature service disruption
Twilio 15:07 UTC · Customer's Unable to Create New Requests for Hosting and Porting
Auvik Networks 15:06 UTC · PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619)
Webland 15:04 UTC · Kritische PHP-Sicherheitslücke (PHP2Shell) – Schutzmassnahmen eingeleitet
Akamai 15:03 UTC · Customer Security Advisory: PHP Remote Code Execution Vulnerabilities
Duolingo 14:57 UTC · Duolingo is experiencing increased errors
Cloud Security 14:56 UTC · [Cisco Umbrella & Cisco Secure Connect] Secure Web Gateway Degradation
GitHub 14:52 UTC · Delays for Pull Requests and Webhook deliveries
Akamai 14:52 UTC · NetStorage issues in Los Angeles
Staffbase 14:52 UTC · [All Systems] [Security Advisory] – Critical PHP vulnerabilities — no customer-facing service impact
Deputy.com 14:47 UTC · Unable to submit forms throughout platform
Hudl 14:46 UTC · FastScout Outage
GoFundMe Pro 14:46 UTC · Errors updating campaigns