CVE-2026-62899
MediumCVSS 5.9Exploitation Probability (EPSS)
Elevated risk51th percentile - higher than 51% of all known CVEs
Summary
An inconsistent interpretation of HTTP requests (HTTP request/response smuggling) vulnerability in .NET allows an unauthorized attacker to bypass a security feature over a network.
Risk Assessment
An unauthorized attacker could bypass security controls, potentially leading to unauthorized actions.
Recommendation
Update .NET to a version that includes fixes for this vulnerability.
Other vulnerabilities in .NET
See all- CVE-2026-96960High
Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network.
- CVE-2026-96959High
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
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Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
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Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-96238Medium
Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-96237High
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to execute code over a network.
- CVE-2026-96235High
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.
- CVE-2026-96234Medium
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
- CVE-2026-96232High
A vulnerability in .NET allows an unauthorized attacker to read data outside the allowed memory area over a network.
- CVE-2026-96231High
A vulnerability in .NET related to improper link resolution before file access allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS