{"id":"CVE-2026-108062","kind":"vulnerability","aliases":["CVE-2026-108062"],"related":[],"title":"OIDC discovery and JWKS fetches block the asyncio event loop","description":"Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop, so one unauthenticated request stalls the whole service.","summary":"Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop. A single unauthenticated request can stall the whole service.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["asyncio","oidc","other","python"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-20T11:17:16+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","triaged_at":"2026-10-25T03:40:27+00:00","updated_at":"2026-10-25T03:40:27+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-10-25T03:40:27Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"OIDC discovery and JWKS fetches block the asyncio event loop","impact":"medium","summary":"Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop. A single unauthenticated request can stall the whole service.","category":"other","nicknames":[],"who_cares":["python","asyncio","oidc"],"confidence":0.5,"needs_auth":"no","worst_case":"Unauthenticated requests stall the service for all users","analyst_note":"Identify the affected package and versions from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-108062; the description does not name the product.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000491,"input_tokens":3274,"output_tokens":327,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-108062':13A,16A '-2026':12A,15A 'asyncio':8A,17B,33B,57C 'authent':23B,47C 'block':6A 'cve':11A,14A 'discoveri':2A,25B,49C 'event':9A,34B,58C 'fetch':5A,28B,52C 'jwks':4A,27B,51C 'loop':10A,35B,59C 'oidc':1A,18B,24B,48C 'one':61C 'pre':22B,46C 'pre-authent':21B,45C 'python':20B 'request':39B,63C 'run':29B,53C 'servic':44B,67C 'singl':37B 'stall':41B,64C 'synchron':30B,54C 'unauthent':38B,62C 'whole':43B,66C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T11:17:16+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"emo@eclipse.org","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-108062","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108062","severity":null,"published_at":"2026-10-20T11:17:16+00:00","modified_at":"2026-10-20T19:48:50+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","fetched_at":"2026-10-23T22:28:58+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"}