semantic-kernel Known Vulnerabilities & Fixes
semantic-kernel has 2 known security vulnerabilities in PyPI (Python). Upgrade to version 1.39.4 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 1.39.4
Upgrading to 1.39.4 or later resolves all 2 known vulnerabilities in semantic-kernel. Run: pip install "semantic-kernel>=1.39.4"
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Check if you're affected and upgrade to 1.39.4 to stay secure.
Security Summary
- 2 affected version ranges have been identified across these 2 advisories.
- 100% of known issues have a published fixed version.
- Remediation: pip install --upgrade semantic-kernel
Vulnerabilities
2 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Feb 6, 2026, most recently Feb 19, 2026 (13 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-25592 Semantic Kernel has Arbitrary File Write via AI Agent Function Calling in .NET SDK | CRITICAL | 0.0.1.dev0, 0.1.0.dev0, 0.2.0.dev0, 0.2.1.dev0 (+121 more) | 1.39.3 |
| CVE-2026-26030 Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution | CRITICAL | 0.0.1.dev0, 0.1.0.dev0, 0.2.0.dev0, 0.2.1.dev0 (+122 more) | 1.39.4 |
About This Data
Vulnerability data for semantic-kernel is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related PyPI (Python) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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