Dashboard / CVE-2026-70188

CVE-2026-70188

CRITICAL
INFO Priority: 0.09 BB Relevance: 78/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: None

Description

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.

Weakness Classification (1)

Affected Software (18)

VendorProductVersion
Microsoft ASP.NET Core 10.0 10.0 < 10.0.13
Microsoft ASP.NET Core 10.0 10.0 < 10.0.13
Microsoft ASP.NET Core 10.0 10.0 < 10.0.13
Microsoft ASP.NET Core 11.0 11.0 < 11.0.0-rc.2
Microsoft ASP.NET Core 11.0 11.0 < 11.0.0-rc.2
Microsoft ASP.NET Core 11.0 11.0 < 11.0.0-rc.2
Microsoft ASP.NET Core 8.0 8.0 < 8.0.32
Microsoft ASP.NET Core 8.0 8.0 < 8.0.32
Microsoft ASP.NET Core 8.0 8.0 < 8.0.32
Microsoft ASP.NET Core 9.0 9.0 < 9.0.21
Microsoft ASP.NET Core 9.0 9.0 < 9.0.21
Microsoft ASP.NET Core 9.0 9.0 < 9.0.21
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.42
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.42
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.42
Microsoft Microsoft Visual Studio 2026 version 18.10 18.10.0 < 18.10.4
Microsoft Microsoft Visual Studio 2026 version 18.10 18.10.0 < 18.10.4
Microsoft Microsoft Visual Studio 2026 version 18.10 18.10.0 < 18.10.4

References & Advisories (1)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.94%
Raw Score 0.009380
Percentile 60.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00938
2026-10-28
0.00938

Intelligence Sources

mitre ref →

External Links