CVE Explorer

CVE-2026-66065

Ouroboros is a local-first runtime for AI coding agents that records their actions and applies user-defined policies to constrain behavior. Versions prior to 0.42.1 have an incomplete denylist. Several execution-routing keys of the same RCE class were omitted, so a malicious cloned repo can still reach arbitrary command execution by shipping a .env (auto-loaded at import, with no review step). The CVE-2026-47211 fix added _UNTRUSTED_ENV_DENYLIST to stop an untrusted project-directory .env from r

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:417a7df42077ee57e613d5c4cbd846ca1d1e75b7cc25a870a43e89ec79626fb3

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-15","description":"CWE-15: External Control of System or Configuration Setting","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/problemTypes/0/descriptions/0

{"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:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion

{"product":"ouroboros","vendor":"Q00","versions":[{"status":"affected","version":"< 0.42.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.4,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions

{"cweId":"CWE-15","description":"CWE-15: External Control of System or Configuration Setting","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/problemTypes/0/descriptions/0

{"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:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/Q00/ouroboros/releases/tag/v0.42.1","tags":["x_refsource_MISC"],"url":"https://github.com/Q00/ouroboros/releases/tag/v0.42.1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /containers/cna/references/1

{"name":"https://github.com/Q00/ouroboros/security/advisories/GHSA-jv2h-4p9v-wf5w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Q00/ouroboros/security/advisories/GHSA-jv2h-4p9v-wf5w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f9fa7ae5da1d042a3203ba030dd7d4fd5404b57cc38a682de41b2d33a2ff3e0c · sha256:5ca9f8de4191d882… · /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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