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CVE-2026-46339

9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP bridge. This vulnerability is fixed in 0.4.37.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:179fa1a20f9be6b832f292505e2b13fbcf81fa735249ea577b4c8db0d0078403
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"9router","vendor":"decolua","versions":[{"status":"affected","version":">= 0.4.30, < 0.4.37"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/decolua/9router/commit/992f4db4a0d858bcc86b4786f2abab117a6ccdf8","tags":["x_refsource_MISC"],"url":"https://github.com/decolua/9router/commit/992f4db4a0d858bcc86b4786f2abab117a6ccdf8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/references/1
{"name":"https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b443909c7173acabf5d1db2786f4a2645952f375f7589995f584b3375945e95a · sha256:1b33f5ed4c05e903… · /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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