CVE Explorer

CVE-2026-42085

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to versions 6.10.5 and 7.0.0-rc3, OpenC3 COSMOS contains a design flaw in the save_tool_config() function that allows saving tool configuration files at arbitrary locations inside the shared /plugins directory tree by supplying crafted configuration filenames. Although the implementation sufficiently mitigates standard path traversal attacks, by canonicalizing filename to

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f0825cffd37763bfd613975e788cd0a2ec8af4ee3eac59b1e240315de8afd558

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"cosmos","vendor":"OpenC3","versions":[{"status":"affected","version":"< 6.10.5"},{"status":"affected","version":">= 7.0.0.pre.rc1, < 7.0.0-rc3"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-23","description":"CWE-23: Relative Path Traversal","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions

{"name":"https://github.com/OpenC3/cosmos/commit/9957a9fa460c0c0cf5cdbf6a5931bbdd025246a5","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/commit/9957a9fa460c0c0cf5cdbf6a5931bbdd025246a5"}

cve_program_cvelist_v5reference
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{"name":"https://github.com/OpenC3/cosmos/commit/e6efccbd148ba0e3361c5891027f2373aa140d42","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/commit/e6efccbd148ba0e3361c5891027f2373aa140d42"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/references/2

{"name":"https://github.com/OpenC3/cosmos/releases/tag/v6.10.5","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/releases/tag/v6.10.5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/references/3

{"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:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/cna/references/4

{"tags":["exploit"],"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-4jvx-93h3-f45h"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /containers/adp/0/references/0

{"name":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-4jvx-93h3-f45h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-4jvx-93h3-f45h"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f7d750b4be377e3b9d340c05d368626bab2827e0d821aba3214cde52a682d034 · sha256:058ea8d4e7cf2339… · /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.

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