---
id: "CVE-2026-108062"
kind: "vulnerability"
aliases: ["CVE-2026-108062"]
title: "OIDC discovery and JWKS fetches block the asyncio event loop"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["asyncio", "oidc", "other", "python"]
not_affected_if: []
published_at: "2026-10-20T11:17:16+00:00"
first_seen_at: "2026-10-23T21:57:20+00:00"
updated_at: "2026-10-25T03:40:27+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108062", "first_seen_at": "2026-10-23T21:57:20+00:00"}]
---

# OIDC discovery and JWKS fetches block the asyncio event loop

Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop. A single unauthenticated request can stall the whole service.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-10-23T21:57:20+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-108062

## From the sources

Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop, so one unauthenticated request stalls the whole service.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_