CVE-2026-25592

CVE Enrichment

CVSS: 9.9 CRITICAL
EPSS: 2.36%
EPSS Percentile: 83.55%
CISA KEV: Not listed

Description

Semantic Kernel is an SDK used to build, orchestrate, and deploy AI agents and multi-agent systems. Prior to 1.71.0, an Arbitrary File Write vulnerability has been identified in Microsoft's Semantic Kernel .NET SDK, specifically within the SessionsPythonPlugin. The problem has been fixed in Microsoft.SemanticKernel.Core version 1.71.0. As a mitigation, users can create a Function Invocation Filter which checks the arguments being passed to any calls to DownloadFileAsync or UploadFileAsync and ensures the provided localFilePath is allow listed.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security-advisories@github.com
Published: 07-Feb-2026 04:16
Last Modified: 17-Jun-2026 17:24
EPSS Date: 2026-10-20
CWE: CWE-22

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:C /
                            C:H /
                            I:H /
                            A:H

References

Last enrichment sync: 21-Oct-2026 18:43
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

regulatory-framework-ai AI agent frameworks” (CVE-2026-25592, CVE-2026-26030 in OrcaRouter’s 2026 AI Threat Report Examines Prompt Injection and Agent Security Gaps

CVE (2)

Malware (3)

Threat Actors (1)

MITRE ATT&CK (3)

Vendors (2)

Products (6)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.