Vercel outage history

Biggest Vercel outages

Ranked by the official impact level, then by how long they lasted. Each has its own page with the cause, the fix time and every official update.

1. Jul 23, 2026: Dashboard authentication errors 55 minutes · rated "Critical"
2. Oct 12, 2026: Increased build and deployment failures 6 hours 36 min · rated "Major"
3. Jun 25, 2026: Increase in Workflow runs stuck as pending 5 hours 58 min · rated "Major"
4. Jun 14, 2026: Elevated latency and errors in FRA1 Vercel Region (Frankfurt, Germany) 4 hours 21 min · rated "Major"
5. Jun 26, 2026: Intermittent Login Failures on Vercel Dashboard 2 hours 6 min · rated "Major"
6. Jul 16, 2026: SAML Single Sign-On (SSO) errors 2 hours 6 min · rated "Major"
7. Sep 10, 2026: Elevated error rate on Connect and Passport 1 hour 34 min · rated "Major"
8. Aug 26, 2026: Failures logging in with Vercel CLI 1 hour 22 min · rated "Major"
9. Oct 10, 2026: Delays in Drains, Observability, and Workflow in Washington (iad1) 1 hour 21 min · rated "Major"

Every smaller Vercel incident

Minor and short incidents from the Vercel status page, newest first, each with a line from the official updates. Times are UTC.

October 2026

• Oct 6, 2026, 16:10 UTC · Vercel Auth login failures for pages with Deployment Protection enabled

  16 minutes · rated "Major"

  "The issue has been identified and a fix is being implemented."

• Oct 6, 2026, 09:12 UTC · Elevated Sandbox error rates in Paris (cdg1)

  25 minutes · rated "Minor"

  "We are seeing signs of recovery in Sandbox in Paris, France (cdg1). We will share updates as they become available."

September 2026

• Sep 28, 2026, 13:44 UTC · Build failures and 500 errors for functions using Edge runtime

  27 minutes · rated "Minor"

  "A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated rates of build failures due to unexpected error."

• Sep 18, 2026, 21:36 UTC · Deployment stuck in initializing state

  55 minutes · rated "Minor"

  "We are currently investigating an issue causing an elevated rate of deployments getting stuck in an initializing state. We will provide additional updates as they become available."

• Sep 18, 2026, 20:32 UTC · Elevated Errors Triggering Deployments

  50 minutes · rated "Major"

  "The issue causing elevated errors triggering deployments has been resolved. Existing deployments and traffic are unaffected and no action is required."

• Sep 18, 2026, 15:14 UTC · Elevated Vercel KMS and Connect Errors

  duration not stated · marked as no impact

  "Customers using Vercel KMS, Connect, Passport, or the Snowflake V0 Integration may have experienced elevated errors. We have resolved the incident and are continuing to monitor."

• Sep 17, 2026, 07:11 UTC · Failures delivering Logs to Drains

  duration not stated · marked as no impact

  "Between September 16, 2026 11:06 UTC and September 17, 2026 07:11 UTC, some customers experienced failed drain deliveries. An update caused larger payloads to exceed a 5 MB delivery-size limit at some Drain destinations."

• Sep 16, 2026, 16:58 UTC · Missing Web Analytics and Speed Insights data

  duration not stated · rated "Minor"

  "Between 14:00 UTC and 15:40 UTC, Web Analytics and Speed Insights were degraded, resulting in some missing data in the dashboard during the affected time period."

• Sep 16, 2026, 03:21 UTC · Invoice Generation Paused

  duration not stated · marked as no impact

  "Invoice generation has been re-enabled. --- We've identified the issue and expect to resolve by end-of-day today. --- We've temporarily paused invoice generation. Invoices may arrive later than usual."

• Sep 4, 2026, 19:11 UTC · Elevated latency in VCR, Blob, and Sandbox API

  1 hour 16 min · rated "Minor"

  "Blob has fully recovered. This incident has been resolved."

• Sep 1, 2026, 19:59 UTC · Increased deployment failures

  59 minutes · rated "Major"

  "This incident has been resolved. Builds have recovered."

August 2026

• Aug 25, 2026, 19:27 UTC · Elevated build initialization times

  38 minutes · rated "Minor"

  "The issue has been identified and a fix is being implemented."

• Aug 20, 2026, 17:46 UTC · New container functions are failing

  47 minutes · rated "Major"

  "We've identified an issue where newly deployed container functions may return 5XX errors. Customers can use a previously working container function deployment as a temporary mitigation."

• Aug 20, 2026, 11:14 UTC · Logs unavailable to query in Dashboard

  11 minutes · rated "Major"

  "The system is operating normally and fully recovered."

• Aug 19, 2026, 00:28 UTC · Elevated errors for Workflow streams

  duration not stated · marked as no impact

  "From 10:57pm to 11:43pm UTC, a percentage of Workflows streams calls failed. Workflow steps that had a failing stream call would retry, and if the step hit the max retries, the workflow failed."

• Aug 17, 2026, 14:30 UTC · Partial disruption of Observability, Analytics, Firewall, Usage, and Login in Dashboard

  6 hours 55 min · rated "Minor"

  "Services have recovered. We are still working to ingest missing observability data during this period."

• Aug 14, 2026, 13:08 UTC · Dynamic API routes returned 404 errors for some deployments

  duration not stated · marked as no impact

  "This incident has been resolved. Between August 12, 17:12 UTC and August 13, 20:33 UTC, some Vercel deployments could return 404 errors from dynamic API routes."

• Aug 6, 2026, 16:37 UTC · Delays delivering log drains

  1 hour 53 min · rated "Minor"

  "This incident has been resolved. Log drain delivery has recovered and remaining delayed deliveries have been processed."

July 2026

• Jul 23, 2026, 19:00 UTC · Telemetry data loss for Drains

  duration not stated · rated "Major"

  "Between 19:12 and 19:18 UTC on July 23, 2026, telemetry forwarded through Drains was not delivered. Traces and events forwarded via Drains during this window were dropped and are unrecoverable."

• Jul 23, 2026, 07:33 UTC · Timeouts loading charts and observability data in Dashboard

  45 minutes · rated "Major"

  "We are currently investigating timeouts loading observability data for Firewall, Observability, Sandboxes, Speed Insights, Web Analytics, and Workflows. This impacts charts in the Dashboard."

• Jul 17, 2026, 14:12 UTC · Increased invocation failures for Hobby Team functions

  1 hour 7 min · rated "Minor"

  "This incident has been resolved. A subset of deployments created under the Hobby plan teams during Jul 17, 2026 10:18 - Jul 17, 2026 14:10 UTC were impacted by this incident. New deployments after this window are unaffected."

• Jul 16, 2026, 23:09 UTC · GitHub-linked deployments and authentication affected

  1 hour 33 min · rated "Minor"

  "We've identified an issue affecting deployments for projects linked to GitHub repositories, as well as GitHub login, signup, and account connections. CLI deployments and other sign-in methods are unaffected."

• Jul 16, 2026, 06:07 UTC · Missing Build CPU Minutes Usage Data

  3 hours 20 min · rated "Minor"

  "The missing Build CPU Minutes data has been backfilled. Users with missing Build CPU Minutes data will be able to see it on Usage pages in the Vercel Dashboard."

• Jul 15, 2026, 23:04 UTC · Errors accessing teams that require 2FA

  30 minutes · rated "Minor"

  "We have identified an increase in erroneous 2FA (two-factor authentication) challenges and errors when accessing the Vercel dashboard and multiple API services for teams that require 2FA. We will share more information once we have it."

• Jul 10, 2026, 21:22 UTC · Increased Build failure rates

  2 hours 7 min · rated "Minor"

  "We've identified an issue where some customers may experience failed Builds beginning at 21:05 UTC. A rollback is in progress to mitigate this issue. We will provide additional updates as they become available."

• Jul 10, 2026, 19:53 UTC · Erroneous budget notifications

  2 hours 42 min · rated "Minor"

  "We have unpaused all impacted deployments. We will continue to monitor the situation."

• Jul 10, 2026, 17:44 UTC · Delays loading Build Logs

  duration not stated · marked as no impact

  "The issue affecting Build Logs has been resolved. Between Jul 8 19:05 UTC and Jul 9 13:16 UTC, some Pro customers using standard machine types may have experienced missing Build Logs. New builds after the impact period are unaffected."

• Jul 8, 2026, 19:13 UTC · Delays Processing Builds

  duration not stated · rated "Minor"

  "We've identified an issue where some customers may experience delays in builds starting and/or builds stuck in an initializing state. We are currently investigating this issue and will provide additional updates as they become available."

• Jul 2, 2026, 16:31 UTC · Degraded performance on CDN, Dashboard, Functions in Washington, Cleveland (iad1, cle1)

  15 minutes · rated "Minor"

  "The issue has been identified and a fix is being implemented."

• Jul 1, 2026, 16:57 UTC · Increase in Workflow runs stuck in pending, failed

  1 hour 33 min · rated "Minor"

  "The issue affecting workflow runs getting stuck in a pending or failed state has been resolved. New workflow runs after the impact period are unaffected. Affected workflow runs have been recovered where possible."

June 2026

• Jun 23, 2026, 23:24 UTC · Degraded Domain Search in Vercel Dashboard

  10 minutes · rated "Minor"

  "The issue has been identified and a fix is being implemented."

• Jun 19, 2026, 17:54 UTC · Resolved: Elevated ERR_STREAM_PREMATURE_CLOSE errors in Vercel Functions

  duration not stated · marked as no impact

  "Between Jun 19 09:09 and 16:16 UTC, a subset of Vercel Functions using node-fetch@2 may have experienced intermittent invocation errors that surfaced as ERR_STREAM_PREMATURE_CLOSE. As part of Node."

• Jun 16, 2026, 13:39 UTC · Partial disruption of Observability, Analytics, Firewall, and Usage in dashboard

  2 hours 1 min · rated "Minor"

  "The incident has been resolved."

• Jun 9, 2026, 14:09 UTC · Elevated Build Errors for Secure Compute/Static IPs Projects

  36 minutes · rated "Major"

  "The issue has been identified and a fix is being implemented."

• Jun 8, 2026, 18:57 UTC · Elevated Functions Invocation Errors in DUB1 (Dublin, Ireland) Region

  1 hour 2 min · rated "Minor"

  "We're continuing to work on a fix. In the meantime, deployments with multiple function regions or failover regions are being rerouted to the nearest healthy region."

• Jun 1, 2026, 19:21 UTC · Elevated Errors Creating New Deployments

  41 minutes · rated "Minor"

  "The issue has been identified and a fix is being implemented."

May 2026

• May 28, 2026, 16:00 UTC · Elevated Function Invocation Errors in Stockholm region (ARN1)

  60 minutes · rated "Minor"

  "The issue has been identified and a fix is being implemented."

• May 27, 2026, 04:50 UTC · Elevated Errors on Vercel Dashboard (Project Overview Page)

  11 minutes · rated "Minor"

  "This incident has been resolved. We've rolled back a bad release to resolve the issue. Customers were unable to access the project overview page between 04:13 and 05:00 AM UTC."

• May 25, 2026, 14:58 UTC · Delays Loading Runtime Logs

  1 hour 24 min · rated "Minor"

  "The issue has been identified and a fix is being implemented."

• May 23, 2026, 18:44 UTC · Elevated Build Failures (GitHub connected projects)

  duration not stated · rated "Minor"

  "This incident has been resolved. Please refer to GitHub's status page post for more details: https://www.githubstatus.com/incidents/k5z4d1v1tqmt"