CVE-2026-46372

Description

SillyTavern: SSRF in SearXNG Search Proxy via Unvalidated baseUrl

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

8.5 / 10

CVSS vector

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

Effective score

8.5 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-46372

Linked Threat

CVE-2026-46372 — CVE-2026-46372

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-33397

EUVD enrichment is queued; refresh the page in a few seconds.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (2)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2026-46372 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-46372 tenable:www.cve.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Microsoft issues emergency update for macOS and Linux ASP.NET ...
  web:arstechnica.com

  Microsoft released an emergency patch for its ASP.NET Core to fix a high-severity vulnerability that allows unauthenticated attackers to gain SYSTEM privileges on devices that use the Web ...

  2026-05-26 02:56 UTC
• MicrosoftAspNetCoreDataProtection, Elevation of Privilege, CVE-2026 ...
  web:dailycve.com

  How CVE - 2026 -40372 works: The vulnerability resides in the authenticated encryption routine of `Microsoft.AspNetCore.DataProtection` NuGet packages versions 10.0.0 through 10.0.6. The bug is an improper cryptographic signature verification (CWE-347). Specifically, the HMAC tag validation logic contains a flaw where a ciphertext bearing an all-zero HMAC tag is incorrectly accepted as valid ...

  2026-05-26 02:56 UTC
• Microsoft Security Advisory CVE-2026-40372 - ASP.NET Core ... - GitHub
  web:github.com

  Microsoft Security Advisory CVE - 2026 -40372 - ASP.NET Core Elevation of Privilege

  2026-05-26 02:56 UTC
• Security Update Guide - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-05-26 02:56 UTC
• CVE-2026-40372 ASP.NET Core Flaw Emergency Patch
  web:purple-ops.io

  The regular issuance of out-of-band updates, as seen with CVE - 2026 -40372 and previous critical issues like the Microsoft zero-day patch fix , indicates the dynamic nature of threats, and organizations must remain vigilant. Mitigation and Remediation for CVE - 2026 -40372

  2026-05-26 02:56 UTC
• Emergency .NET Update: Critical Data Protection Flaw Allows ...
  web:securityonline.info

  Microsoft has issued an urgent out-of-band (OOB) security update for .NET 10 to address a critical vulnerability that could allow attackers to bypass authentication and escalate privileges. The update, version 10.0.7, arrives just after the standard April Patch Tuesday release following reports of severe cryptographic failures. The flaw, tracked as CVE - 2026 -40372, carries a CVSS score of 9.1 ...

  2026-05-26 02:56 UTC
• Microsoft Patches Critical ASP.NET Core CVE-2026-40372 Privilege ...
  web:thehackernews.com

  Microsoft has released out-of-band updates to address a security vulnerability in ASP.NET Core that could allow an attacker to escalate privileges. The vulnerability, tracked as CVE - 2026 -40372, carries a CVSS score of 9.1 out of 10.0. It's rated Important in severity. An anonymous researcher has been credited with discovering and reporting the flaw. "Improper verification of cryptographic ...

  2026-05-26 02:56 UTC
• Microsoft releases emergency patches for critical ASP.NET flaw
  web:www.bleepingcomputer.com

  Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability.

  2026-05-26 02:56 UTC
• ASP.NET Core Privilege Escalation Vulnerability (CVE-2026-40372)
  web:www.sentrium.co.uk

  Mitigation and remediation Microsoft has released .NET 10.0.7 as an out of band security update to address CVE - 2026 -40372. Organisations should update the Microsoft.AspNetCore.DataProtection package to version 10.0.7 or later, rebuild affected applications, and redeploy them to production environments.

  2026-05-26 02:56 UTC
• Patch Tuesday May 2026: Security Updates & CVE Analysis
  web:zecurit.com

  Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

  2026-05-26 02:56 UTC

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