CVE Explorer

CVE-2026-45555

Roslyn CodeLens MCP Server is a Roslyn-based MCP server providing semantic code intelligence for .NET codebases. From 0.0.9 to 1.17.0, the get_diagnostics MCP tool loads and executes all DiagnosticAnalyzer assemblies referenced by the target solution without any allowlist, signature check, or user confirmation; includeAnalyzers defaults to true, so no explicit opt-in is required. An attacker who can place a malicious .csproj referencing an attacker-controlled DLL in a location the victim opens w

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f16bbd4bc625161515957324407a08d401af60debe5d943a8c12799ec221614f

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"roslyn-codelens-mcp","vendor":"MarcelRoozekrans","versions":[{"status":"affected","version":">= 0.0.9, < 1.17.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:23228322575d1ab83c737f396a3c7eeee09bab126e3ec778a6b393277e6f3c88 · sha256:af869e69d84a89d7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:23228322575d1ab83c737f396a3c7eeee09bab126e3ec778a6b393277e6f3c88 · sha256:af869e69d84a89d7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:23228322575d1ab83c737f396a3c7eeee09bab126e3ec778a6b393277e6f3c88 · sha256:af869e69d84a89d7… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/MarcelRoozekrans/roslyn-codelens-mcp/security/advisories/GHSA-552p-8f74-6x7q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MarcelRoozekrans/roslyn-codelens-mcp/security/advisories/GHSA-552p-8f74-6x7q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:23228322575d1ab83c737f396a3c7eeee09bab126e3ec778a6b393277e6f3c88 · sha256:af869e69d84a89d7… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/MarcelRoozekrans/roslyn-codelens-mcp/security/advisories/GHSA-552p-8f74-6x7q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:23228322575d1ab83c737f396a3c7eeee09bab126e3ec778a6b393277e6f3c88 · sha256:af869e69d84a89d7… · /containers/adp/0/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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