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CVE-2026-42088

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0-rc3, the Script Runner widget allows users to execute Python and Ruby scripts directly from the openc3-COSMOS-script-runner-api container. Because all the docker containers share a network, users can execute specially crafted scripts to bypass the API permissions check and perform administrative actions, including reading and modifying data inside the Red
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a254fdb701e1cc649819d00ad04c2695d831fe1e0bd468356e9a09d8252e709d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"cosmos","vendor":"OpenC3","versions":[{"status":"affected","version":"< 7.0.0-rc3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-250","description":"CWE-250: Execution with Unnecessary Privileges","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/OpenC3/cosmos/releases/tag/v7.0.0","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/releases/tag/v7.0.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/references/1
{"name":"https://github.com/OpenC3/cosmos/releases/tag/v7.0.0-rc3","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/releases/tag/v7.0.0-rc3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/references/2
{"name":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-2wvh-87g2-89hr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-2wvh-87g2-89hr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-2wvh-87g2-89hr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f9934158f29e88fdc1d1ef626c864fe327f8e68cd77f0f8bee6f1adea4bc1fd · sha256:8c208b9aef4d107c… · /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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