{"answers":{"affected":"11 open source packages ship an affected version, including Azure.Mcp, msmcp-azure and @azure/mcp. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-26118 in the wild and no public exploit code.","fix":"Upgrade Azure.Mcp to a fixed version for your release line: 1.0.2 or 2.0.0-beta.17.","what":"CVE-2026-26118 is a high-severity server-side request forgery vulnerability in Microsoft Azure MCP Server Tools 1.0.0 (NuGet), published on 10 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-26118 and fix it if it is affected.\n\nWhat it is: CVE-2026-26118 is a high-severity server-side request forgery vulnerability in Microsoft Azure MCP Server Tools 1.0.0 (NuGet), published on 10 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-26118 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- Azure.Mcp (NuGet): affected from 1.0.0; fixed in 1.0.2\n- Azure.Mcp (NuGet): affected from 1.0.0; fixed in 1.0.2\n- Azure.Mcp (NuGet): affected from 2.0.0-beta.1; fixed in 2.0.0-beta.17\n- Azure.Mcp (NuGet): affected from 2.0.0-beta.1; fixed in 2.0.0-beta.17\n- msmcp-azure (PyPI): affected from 2.0.0b14; fixed in 2.0.0b17\n- msmcp-azure (PyPI): affected from 2.0.0b14; fixed in 2.0.0b17\n- msmcp-azure (PyPI): affected from 2.0.0b14; fixed in 2.0.0b17\n- @azure/mcp (npm): affected from 1.0.0; fixed in 1.0.2\n- @azure/mcp (npm): affected from 1.0.0; fixed in 1.0.2\n- @azure/mcp (npm): affected from 2.0.0-beta.1; fixed in 2.0.0-beta.17\n- @azure/mcp (npm): affected from 2.0.0-beta.1; fixed in 2.0.0-beta.17\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-26118/ (Markdown: https://insights.sbomify.com/CVE-2026-26118/index.md)","id":"CVE-2026-26118","markdown":"https://insights.sbomify.com/CVE-2026-26118/index.md","name":"CVE-2026-26118","record":{"aliases":["GHSA-hhfx-wfvq-7g9c","PYSEC-2026-2669"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"Azure MCP Server Tools","requires_auth":"low_privilege","summary":"An authorized attacker can exploit Server-Side Request Forgery in Azure MCP Server Tools to elevate privileges over the network.","user_interaction":"not_required","vuln_class":"ssrf"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"azure_mcp_server","vendor":"microsoft"}],"cvss":{"score":8.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"cwes":[{"id":"CWE-918","name":"Server-Side Request Forgery"}],"description":"Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.","ecosystems":["NuGet","PyPI","npm"],"exploits":{"exploitdb":0,"first_seen":"2026-03-17","github_poc":1,"max_poc_stars":2,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-03-17T16:37:53Z","kind":"github_poc","ref":"https://github.com/j-dahl7/mcp-attack-detection-sentinel","stars":2,"title":"Sentinel detection lab for MCP attack chains: CVE-2026-26118 SSRF token theft, tool poisoning, cross-server exfiltration, identity post-exploitation. Maps to OWASP Agentic Top 10. 5 analytics rules, 7 hunting queries, workbook. Companion to nineliveszerotrust.com."}],"tier":"poc_unverified"},"has_fix":true,"headline":"Azure MCP Server Tools Elevation of Privilege Vulnerability","id":"CVE-2026-26118","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"NuGet","product":null,"products":[],"type":"ssrf","year":"2026"},"n_packages":11,"n_references":1,"next":{"headline":"Windows Admin Center Elevation of Privilege Vulnerability","id":"CVE-2026-26119"},"packages":[{"ecosystem":"NuGet","fixed":["1.0.2"],"introduced":["1.0.0"],"last_affected":[],"package":"Azure.Mcp","purl":null,"source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"NuGet","fixed":["1.0.2"],"introduced":["1.0.0"],"last_affected":[],"package":"Azure.Mcp","purl":"pkg:nuget/Azure.Mcp","source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"NuGet","fixed":["2.0.0-beta.17"],"introduced":["2.0.0-beta.1"],"last_affected":[],"package":"Azure.Mcp","purl":null,"source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"NuGet","fixed":["2.0.0-beta.17"],"introduced":["2.0.0-beta.1"],"last_affected":[],"package":"Azure.Mcp","purl":"pkg:nuget/Azure.Mcp","source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"PyPI","fixed":["2.0.0b17"],"introduced":["2.0.0b14"],"last_affected":[],"package":"msmcp-azure","purl":null,"source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"PyPI","fixed":["2.0.0b17"],"introduced":["2.0.0b14"],"last_affected":[],"package":"msmcp-azure","purl":"pkg:pypi/msmcp-azure","source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"PyPI","fixed":["2.0.0b17"],"introduced":["2.0.0b14"],"last_affected":[],"package":"msmcp-azure","purl":"pkg:pypi/msmcp-azure","source":"PYSEC-2026-2669"},{"ecosystem":"npm","fixed":["1.0.2"],"introduced":["1.0.0"],"last_affected":[],"package":"@azure/mcp","purl":null,"source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"npm","fixed":["1.0.2"],"introduced":["1.0.0"],"last_affected":[],"package":"@azure/mcp","purl":"pkg:npm/%40azure/mcp","source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"npm","fixed":["2.0.0-beta.17"],"introduced":["2.0.0-beta.1"],"last_affected":[],"package":"@azure/mcp","purl":null,"source":"GHSA-hhfx-wfvq-7g9c"},{"ecosystem":"npm","fixed":["2.0.0-beta.17"],"introduced":["2.0.0-beta.1"],"last_affected":[],"package":"@azure/mcp","purl":"pkg:npm/%40azure/mcp","source":"GHSA-hhfx-wfvq-7g9c"}],"prev":{"headline":"Arc Enabled Servers - Azure Connected Machine Agent Elevation of Privilege Vulnerability","id":"CVE-2026-26117"},"products":["Azure MCP Server Tools 1.0.0 (NuGet)","Azure MCP Server Tools 1.0.0 (npm)","Azure MCP Server Tools 2.0.0 (NuGet)","Azure MCP Server Tools 2.0.0 (PyPi)","Azure MCP Server Tools 2.0.0 (npm)"],"published":"2026-03-10","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-06-19","vendors":["Microsoft"]},"summary":"An authorized attacker can exploit Server-Side Request Forgery in Azure MCP Server Tools to elevate privileges over the network.","url":"https://insights.sbomify.com/CVE-2026-26118/"}