ASP.NET Core vulnerabilities
29 known CVE vulnerabilities in ASP.NET Core, translated and rated.
- CVE-2017-11879High
ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL.
- CVE-2017-0249High
An elevation of privilege vulnerability exists when ASP.NET Core fails to properly sanitize web requests.
- CVE-2026-88092Critical
Inconsistent interpretation of HTTP requests (HTTP request/response smuggling) in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
- CVE-2026-70188Critical
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.
- CVE-2026-40372Critical
A vulnerability in ASP.NET Core due to improper verification of cryptographic signature allows an unauthorized attacker to elevate privileges over a network.
- CVE-2021-31957Medium
ASP.NET Core has a Denial of Service (DoS) vulnerability that could lead to service overload and unavailability.
- CVE-2020-1161High
Denial of service vulnerability in ASP.NET Core when improperly handling web requests. A remote unauthenticated attacker could send specially crafted requests, causing the application to become unavailable.
- CVE-2026-96236High
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-96233High
Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-96230High
A cross-site scripting (XSS) vulnerability in ASP.NET Core allows an unauthorized attacker to execute code over a network.
- CVE-2026-70196Medium
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-70186High
A deadlock vulnerability in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-70183High
A race condition in ASP.NET Core caused by improper synchronization of a shared resource allows an authorized attacker to elevate privileges over a network.
- CVE-2026-70181High
An allocation of resources without limits or throttling vulnerability in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-70179High
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
- CVE-2026-70175High
Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-70159High
A vulnerability in ASP.NET Core involves allocation of resources without limits or throttling. An unauthenticated attacker can cause a denial of service over the network.
- CVE-2026-102870High
Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
- CVE-2026-69304Medium
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-57099High
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-47303High
ASP.NET Core has an authentication bypass vulnerability due to assumed-immutable data. This allows an authorized attacker to elevate privileges over a network.
- CVE-2026-47300High
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
- CVE-2026-56170High
Resource allocation without limits in ASP.NET Core allows an unauthorized attacker to perform a DoS attack over the network.
- CVE-2026-50506High
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVE-2026-45646High
A vulnerability in ASP.NET Core allows an unauthorized attacker to perform a Denial of Service (DoS) attack by allocating resources without limits or throttling. The attack can be carried out remotely over a network.
- CVE-2026-45591High
In ASP.NET Core, uncontrolled resource consumption allows an unauthorized attacker to perform a denial of service attack over a network.
- CVE-2026-42899High
A vulnerability in ASP.NET Core causes an infinite loop, which can be exploited by an unauthorized attacker to perform a Denial of Service (DoS) attack over the network.
- CVE-2026-26130High
A vulnerability in ASP.NET Core allows an unauthorized attacker to perform a Denial of Service (DoS) attack by allocating resources without limits or throttling. The attack can be carried out remotely over a network.
- CVE-2021-34532Medium
Information disclosure vulnerability in ASP.NET Core and Visual Studio. Could allow an attacker to read sensitive data.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

