{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62676", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T20:22:04.395Z", "datePublished": "2026-08-21T17:42:21.563Z", "dateUpdated": "2026-08-21T17:42:21.563Z"}, "containers": {"cna": {"title": "Omnigent Guardrail policy bypass: shell-command parser fails open in policies/builtins/_shell.py", "problemTypes": [{"descriptions": [{"cweId": "CWE-184", "lang": "en", "description": "CWE-184: Incomplete List of Disallowed Inputs", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/omnigent-ai/omnigent/security/advisories/GHSA-7mqg-cx4g-x2rf", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/omnigent-ai/omnigent/security/advisories/GHSA-7mqg-cx4g-x2rf"}, {"name": "https://github.com/omnigent-ai/omnigent/pull/389", "tags": ["x_refsource_MISC"], "url": "https://github.com/omnigent-ai/omnigent/pull/389"}, {"name": "https://github.com/omnigent-ai/omnigent/commit/1a05b7b139ef504bf2be89bf37918abe104fb95c", "tags": ["x_refsource_MISC"], "url": "https://github.com/omnigent-ai/omnigent/commit/1a05b7b139ef504bf2be89bf37918abe104fb95c"}, {"name": "https://github.com/omnigent-ai/omnigent/releases/tag/v0.3.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/omnigent-ai/omnigent/releases/tag/v0.3.0"}], "affected": [{"vendor": "omnigent-ai", "product": "omnigent", "versions": [{"version": "< 0.3.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T17:42:21.563Z"}, "descriptions": [{"lang": "en", "value": "Omnigent is an open-source AI agent framework and meta-harness for orchestrating coding agents. Prior to 0.3.0, the shared shell-command parser in omnigent/policies/builtins/_shell.py fails to recognize combined interpreter flags, the timeout, nice, setsid, and stdbuf wrappers, command substitutions, and a single background control operator. A gated git push or gh write hidden with these forms produces no parsed operation, causing the github.py write_repos and write_branches allowlist and the working_dir.py workspace confinement policies to abstain and allow the command. An authenticated or prompt-injected agent can therefore push to an unauthorized repository or branch or escape the intended workspace. This issue is fixed in version 0.3.0."}], "source": {"advisory": "GHSA-7mqg-cx4g-x2rf", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "omnigent", "vendor": "omnigent-ai", "versions": [{"status": "affected", "version": "< 0.3.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Omnigent is an open-source AI agent framework and meta-harness for orchestrating coding agents. Prior to 0.3.0, the shared shell-command parser in omnigent/policies/builtins/_shell.py fails to recognize combined interpreter flags, the timeout, nice, setsid, and stdbuf wrappers, command substitutions, and a single background control operator. A gated git push or gh write hidden with these forms produces no parsed operation, causing the github.py write_repos and write_branches allowlist and the working_dir.py workspace confinement policies to abstain and allow the command. An authenticated or prompt-injected agent can therefore push to an unauthorized repository or branch or escape the intended workspace. This issue is fixed in version 0.3.0."}], "id": "CVE-2026-62676", "lastModified": "2026-08-21T18:16:49.743", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-21T18:16:49.743", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/omnigent-ai/omnigent/commit/1a05b7b139ef504bf2be89bf37918abe104fb95c"}, {"source": "security-advisories@github.com", "url": "https://github.com/omnigent-ai/omnigent/pull/389"}, {"source": "security-advisories@github.com", "url": "https://github.com/omnigent-ai/omnigent/releases/tag/v0.3.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/omnigent-ai/omnigent/security/advisories/GHSA-7mqg-cx4g-x2rf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-184"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-08-21T20:00:13.901708+00:00", "updated": "2026-08-21T20:00:13.901715+00:00", "vendors": []}