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CVE-2026-77900

9.8 CRITICAL

Published 2026-10-08 · Updated 2026-10-10

AI risk analysis

Summary
A critical flaw in Azure App Service allows unauthorized attackers to execute code over the network due to missing authentication for a critical function.
Exploitability
Exploitation is relatively straightforward as no authentication is required, and the attacker can execute code over the network.
Blast radius
If exploited, the impact could be severe, potentially leading to full control over the affected Azure App Service instance.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Disable the affected feature or ensure proper authentication mechanisms are in place for all critical functions.
rceauth-bypassweb

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-306

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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