{"id":"INC-circleci-brp558x5kfn1","kind":"incident","aliases":[],"related":[],"title":"CircleCI: Issue authenticating only Bitbucket users","description":"Customers using Bitbucket as their VCS provider or as their login provider experienced errors when interacting with Bitbucket repositories and authenticating to CircleCI. This was caused by an incident with Atlassian Bitbucket's OAuth service, which has now been resolved and all affected functionality has returned to normal.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"CircleCI","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ci","circleci","incident","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-06-11T21:31:49+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-25T05:33:19+00:00","updated_at":"2026-10-25T05:33:19+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'affect':59C 'atlassian':47C 'authent':3A,37C 'bitbucket':5A,19C,34C,48C 'brp558x5kfn1':10A 'caus':42C 'ci':12B 'circleci':1A,9A,11A,13B,39C 'custom':17C 'error':30C 'experienc':29C 'function':60C 'inc':8A 'inc-circleci-brp558x5kfn1':7A 'incid':14B,45C 'interact':32C 'issu':2A 'login':27C 'normal':64C 'oauth':50C 'op':15B 'provid':23C,28C 'repositori':35C 'resolv':56C 'return':62C 'servic':51C 'use':18C 'user':6A 'vcs':22C 'vendor':16B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-06-11T21:31:49+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"circleci:brp558x5kfn1","url":"https://stspg.io/qjt275qv8plh","severity":"medium","published_at":"2026-06-11T21:31:49+00:00","modified_at":"2026-06-12T00:18:31+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-26T10:36:52+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}