Millions of Commonwealth Bank customers were unable to access their accounts on Wednesday afternoon after a major app outage, triggering widespread frustration online.
The disruption began in the early afternoon (UK time) and affected users trying to log in, check balances, or make payments, before the bank confirmed the issue was fixed shortly before 5pm.
The incident matters not just in Australia, where the bank is based, but also for UK customers travelling, living abroad, or sending money overseas, many of whom rely on the Commonwealth Bank app for day-to-day banking.
What happened during the Commonwealth Bank outage?
The Commonwealth Bank mobile app, commonly known as the CommBank app, stopped working properly for a large number of users on Wednesday afternoon.
Customers reported that:
- The app failed to load after login
- Account balances did not appear
- Payments and transfers could not be completed
In a statement shared with the media, a Commonwealth Bank spokeswoman said: “This is an intermittent issue impacting some customers.
Some people can successfully log in once they exit the app and try logging in again. We’re working to fix this.”
Despite that advice, many users said repeated attempts made no difference.
When was the issue resolved?
The Commonwealth Bank confirmed that services returned to normal shortly before 5pm, ending several hours of disruption.
However, the bank also confirmed it is still investigating the cause of the outage. At the time of writing, no technical explanation had been made public.
This follows a growing pattern of digital banking outages across major institutions, as more customers rely entirely on apps rather than physical branches
How were customers affected?
Social media quickly filled with complaints from frustrated users, many describing urgent financial problems caused by the outage.
One customer wrote online: “My son is stuck with no food and no phone credit because I can’t even transfer him $30.”
Another said, “I’m in South Africa and need to get my card working desperately.”
A third added: “I’ve been trying to pay for plane tickets and nothing is going through.”
These comments highlight how dependent customers have become on mobile banking, especially when travelling or managing family finances remotely.
Why does this matter to UK customers?
Although Commonwealth Bank is an Australian institution, the outage has direct relevance for UK users in several situations:
- UK travellers in Australia using Commonwealth Bank accounts
- British expats living or working abroad
- UK families sending money to relatives overseas
- Students relying on international bank transfers
For many, even short outages can cause real-world problems, such as missed payments, travel delays, or lack of access to essentials.
Are banking app outages becoming more common?
Yes. According to UK finance industry data from recent years, major banks have reported dozens of significant IT failures annually, often linked to system updates or traffic overloads.
While UK regulators require banks to maintain “operational resilience”, outages still occur, raising questions about backup access and customer protections when apps fail.
What has Commonwealth Bank said so far?
Beyond confirming the issue was fixed, Commonwealth Bank has not yet explained what caused the disruption or whether customers will receive compensation.
UK financial experts often advise customers to:
- Keep alternative payment methods available
- Avoid relying on a single banking app
- Carry emergency cash when travelling



