CVE-2026-40372

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Source
https://cve.org/CVERecord?id=CVE-2026-40372
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40372.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40372
Aliases
Downstream
Published
2026-04-21T20:16:59Z
Modified
2026-07-22T03:57:15Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.

References

Affected packages

Git / github.com/dotnet/aspnetcore

Affected ranges

Type
GIT
Repo
https://github.com/dotnet/aspnetcore
Events
Introduced
7387de91234d3ef751fa50b3d1bfede4130213ff
Fixed
2130ebfe92a66d6a7a79647ca1f209f10cb9a0eb
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "10.0.0"
        },
        {
            "fixed": "10.0.7"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v10.*
v10.0.0
v10.0.1
v10.0.2
v10.0.3
v10.0.4
v10.0.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40372.json"