Microsoft Entra application proxy: authentication bypass

Microsoft Entra application proxy

Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.

Do this now

Check Microsoft's advisory for an Entra application proxy fix and restrict access to it meanwhile.

First seen: 28 Oct 2026
Last update: 28 Oct 2026, 18:18 UTC
Identifiers: CVE-2026-97785
CVSS: 10.0
Source: news
On the menu as: Azure / M365

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Microsoft Entra application proxy: authentication bypass
Severity: critical. Patch status: fix status unknown.
Affected: Microsoft Entra application proxy
Ids: CVE-2026-97785

Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.

## Steps
1. This incident involves a provider (azure). Search config, CI and env templates (.env.example, wrangler.toml, vercel.json, terraform, workflow secrets) for credentials stored there. List each secret by name, where it is used, and how to rotate it. Never print secret values.
2. No source names a fix yet; check the vendor advisory. Until one ships: restrict network access to it.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-97785") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97785 https://nvd.nist.gov/vuln/detail/CVE-2026-97785
https://pwned.coffee/i/improper-authentication-in-aad-app-proxy-allows-an-unaut-cve-2026-97785

Receipt

Exploitation: No known exploitation
Score: CVSS 10.0 (critical). CVSS 3.1 10 (CNA microsoft) for CVE-2026-97785
Last checked: 28 Oct 2026, 18:19 UTC

Sources: KEV – CVE record ✓ Vendor ✓

Sources

Wrong fix version, or a source we missed? Send it back to chef@pwned.coffee with the source, and we'll correct it here.

Totalone very hot coffee