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Canonical said on October 8, 2026, that its websites were under a sustained distributed denial of service (DDoS) attack and that some services might be intermittently unavailable. The announcement described the incident as ongoing—not resolved—and did not give an estimated recovery time. For the latest official updates, check Canonical’s status page.
Why are Ubuntu’s website and downloads unavailable?
Canonical’s October 8 announcement attributed access problems to a sustained DDoS attack against its websites. A DDoS attack directs a large volume of traffic at online services, which can make them slow or unreachable for legitimate visitors. Canonical did not publish details about the attack’s size, source, or technical method.
Phoronix reported that users were having trouble reaching the Ubuntu website and ISO downloads. That is a report of observed access problems, not confirmation that every download route or mirror was unavailable. Canonical’s announcement said some services might be intermittently unavailable but did not provide a full list of affected components.
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Availability can change during an ongoing incident. Canonical directed users to its public status page for current information. Its October 8 announcement did not include an estimated resolution time. A status-page fetch associated with this report did not expose readable incident details, so service-by-service availability cannot be confirmed here.
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What Canonical has confirmed—and what remains unknown
Confirmed
- On October 8, 2026, Canonical said its websites were under a sustained DDoS attack.
- Canonical said some services might be intermittently unavailable and that its team was working to resolve the incident.
- Phoronix reported access trouble involving the Ubuntu website and ISO downloads.
Not established
- Who carried out the attack, its motive, scale, or technical vector.
- A complete list of affected Canonical services or a recovery time.
- Whether any data was compromised. A DDoS-related availability problem alone does not establish that user data or systems were compromised—or that they were not.
What to do if you need Ubuntu while access is disrupted
- Check Canonical’s status page for the current official update before treating a failed page or download as a lasting outage.
- If the Ubuntu website or an ISO download fails, try again later; Canonical said availability could be intermittent. Phoronix reported download access problems, but not that every route or mirror was down.
- Use only a download source you can verify as legitimate. Do not infer from a failed download that an unofficial mirror is safe or that Canonical has endorsed it.
Incident timeline
- October 8, 2026: Canonical announced that its websites were under a sustained DDoS attack, warned that some services might be intermittently unavailable, and directed users to its status page.
- October 8, 2026: Phoronix reported trouble accessing the Ubuntu website and ISO downloads.
Canonical also reported mitigating and restoring services affected by a separate DDoS incident on May 6, 2026. That earlier update concerned a different incident and does not establish that the October attack was mitigated or resolved.
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