Cloudflare
38 documented incidents 2012–2026 most recent May 5, 2026
When was the most recent Cloudflare incident?
The most recent documented Cloudflare incident on postmortem.io is "When DNSSEC goes wrong: how we responded to the .de TLD outage", from May 5, 2026.
How many Cloudflare incidents are documented on postmortem.io?
postmortem.io has 38 documented Cloudflare incidents, spanning 2012 to 2026.
How many Cloudflare incidents were there in 2026?
3 incidents from Cloudflare are documented for 2026.
What are the most common causes of Cloudflare incidents?
The most frequently tagged themes across Cloudflare's incidents are: outage, bgp, config-error, network.
38 postmortems from Cloudflare
- When DNSSEC goes wrong: how we responded to the .de TLD outage
- Cloudflare outage on February 20, 2026
- Route leak incident on January 22, 2026
- Cloudflare outage on December 5, 2025
- Cloudflare outage on November 18, 2025
- A deep dive into Cloudflare's September 12, 2025 dashboard and API outage
- Cloudflare Incident on August 21, 2025
- Cloudflare 1.1.1.1 incident on July 14, 2025
- Cloudflare service outage June 12, 2025
- Cloudflare incident on March 21, 2025
- Cloudflare incident on February 6, 2025
- Cloudflare Incident on November 14, 2024, Resulting in Lost Logs
- Cloudflare 1.1.1.1 incident on June 27, 2024
- Cloudflare incident on June 20, 2024
- Major data center power failure (again): Cloudflare Code Orange tested
- Thanksgiving 2023 security incident
- Post mortem on the Cloudflare Control Plane and Analytics Outage
- Cloudflare incident on October 30, 2023
- How Cloudflare mitigated yet another Okta compromise
- 1.1.1.1 lookup failures on October 4, 2023
- Hardening Workers KV
- Cloudflare incident on January 24, 2023
- Partial Cloudflare outage on October 25, 2022
- Cloudflare outage on June 21, 2022
- Cloudflare's investigation of the January 2022 Okta compromise
- BGP security and confirmation biases
- A Byzantine failure in the real world
- Cloudflare outage on July 17, 2020
- Cloudflare Dashboard and API Outage on April 15, 2020
- Details of the Cloudflare outage on July 2, 2019
- How Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Today
- Incident report on memory leak caused by Cloudflare parser bug
- How and why the leap second affected Cloudflare DNS
- A Post Mortem on this Morning's Incident
- Today's Outage Post Mortem
- Post Mortem: What Yesterday's Network Outage Looked Like
- Today's Outage Post Mortem
- Post Mortem: The Ugly, the Bad & the Good
No postmortems match that combination.
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