CVE Explorer
CVE-2026-11719
An authenticated authorization bypass vulnerability exists in MCP Toolbox for Databases due to missing scope enforcement across older protocol handlers.
While the 2025-11-25 protocol version handler correctly enforces per-tool restrictions defined by scopesRequired, older supported protocol versions (2025-06-18, 2025-03-26, and 2024-11-05) omit this check. An authenticated client with low-privilege tokens (e.g., read) can bypass the intended per-tool scope restrictions and execute high-privileg
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"MCP Toolbox for Databases (googleapis/mcp-toolbox)","vendor":"Google","versions":[{"status":"affected","version":"1.3.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:79961c3783f0cff3279c0af74da47ab4dcb9f0b525130ad25e39992c1b7e8c2d · sha256:8a56cdfe029991d3… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"H…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:79961c3783f0cff3279c0af74da47ab4dcb9f0b525130ad25e39992c1b7e8c2d · sha256:8a56cdfe029991d3… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:79961c3783f0cff3279c0af74da47ab4dcb9f0b525130ad25e39992c1b7e8c2d · sha256:8a56cdfe029991d3… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://github.com/googleapis/mcp-toolbox/pull/3049"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:79961c3783f0cff3279c0af74da47ab4dcb9f0b525130ad25e39992c1b7e8c2d · sha256:8a56cdfe029991d3… · /containers/cna/references/1
{"url":"https://github.com/googleapis/mcp-toolbox/pull/3335"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:79961c3783f0cff3279c0af74da47ab4dcb9f0b525130ad25e39992c1b7e8c2d · sha256:8a56cdfe029991d3… · /containers/cna/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.