CVE-2026-55074

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55074", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T14:33:35.710Z", "datePublished": "2026-09-21T14:24:55.995Z", "dateUpdated": "2026-09-21T15:44:36.603Z"}, "containers": {"cna": {"title": "Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (host-side root mv)", "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/chofstede/ansible_jailexec/security/advisories/GHSA-cxgv-hp74-jj7r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/chofstede/ansible_jailexec/security/advisories/GHSA-cxgv-hp74-jj7r"}, {"name": "https://github.com/chofstede/ansible_jailexec/pull/6", "tags": ["x_refsource_MISC"], "url": "https://github.com/chofstede/ansible_jailexec/pull/6"}, {"name": "https://github.com/chofstede/ansible_jailexec/commit/6e80eecb2db7aebd1258fded6ae5c3aba1dd4123", "tags": ["x_refsource_MISC"], "url": "https://github.com/chofstede/ansible_jailexec/commit/6e80eecb2db7aebd1258fded6ae5c3aba1dd4123"}, {"name": "https://github.com/chofstede/ansible_jailexec/blob/main/docs/security/advisory-2.0.0-jail-escape.md", "tags": ["x_refsource_MISC"], "url": "https://github.com/chofstede/ansible_jailexec/blob/main/docs/security/advisory-2.0.0-jail-escape.md"}, {"name": "https://github.com/chofstede/ansible_jailexec/releases/tag/v2.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/chofstede/ansible_jailexec/releases/tag/v2.0.0"}], "affected": [{"vendor": "chofstede", "product": "ansible_jailexec", "versions": [{"version": "< 2.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-21T14:24:55.995Z"}, "descriptions": [{"lang": "en", "value": "Ansible FreeBSD Jail Connection Plugin is an Ansible connection plugin for FreeBSD Jails via jexec. Through version 1.3.0, the jailexec connection plugin's put_file resolved a transfer's destination to a path on the jail host ( + ) and ran mkdir -p and mv there as root on the host. Those commands follow symbolic links, and the path was operated on outside the jail, so a symlink existing inside the jail was followed by the host-side, root-privileged mv. A party controlling content inside a managed jail (the jail's root, or any process able to create a symlink in a directory an Ansible task later writes to) can therefore cause an arbitrary root-owned write on the host, outside the jail \u2014 a full jail escape. Arbitrary root-owned host writes are readily escalated to host compromise (e.g. cron, rc.d, authorized_keys). Preconditions for this vulnerability are that the operator runs a copy/template/fetch-style task (anything using put_file) against the jail, and the attacker can place a symlink inside the jail at or above the task's destination before the transfer runs. This issue has been fixed in version 2.0.0."}], "source": {"advisory": "GHSA-cxgv-hp74-jj7r", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-21T15:44:14.763476Z", "id": "CVE-2026-55074", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-21T15:44:36.603Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-55074", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-21T15:44:14.763476Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-21T15:44:29.901Z"}}], "cna": {"title": "Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (host-side root mv)", "source": {"advisory": "GHSA-cxgv-hp74-jj7r", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "chofstede", "product": "ansible_jailexec", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "references": [{"url": "https://github.com/chofstede/ansible_jailexec/security/advisories/GHSA-cxgv-hp74-jj7r", "name": "https://github.com/chofstede/ansible_jailexec/security/advisories/GHSA-cxgv-hp74-jj7r", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/chofstede/ansible_jailexec/pull/6", "name": "https://github.com/chofstede/ansible_jailexec/pull/6", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/chofstede/ansible_jailexec/commit/6e80eecb2db7aebd1258fded6ae5c3aba1dd4123", "name": "https://github.com/chofstede/ansible_jailexec/commit/6e80eecb2db7aebd1258fded6ae5c3aba1dd4123", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/chofstede/ansible_jailexec/blob/main/docs/security/advisory-2.0.0-jail-escape.md", "name": "https://github.com/chofstede/ansible_jailexec/blob/main/docs/security/advisory-2.0.0-jail-escape.md", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/chofstede/ansible_jailexec/releases/tag/v2.0.0", "name": "https://github.com/chofstede/ansible_jailexec/releases/tag/v2.0.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Ansible FreeBSD Jail Connection Plugin is an Ansible connection plugin for FreeBSD Jails via jexec. Through version 1.3.0, the jailexec connection plugin's put_file resolved a transfer's destination to a path on the jail host ( + ) and ran mkdir -p and mv there as root on the host. Those commands follow symbolic links, and the path was operated on outside the jail, so a symlink existing inside the jail was followed by the host-side, root-privileged mv. A party controlling content inside a managed jail (the jail's root, or any process able to create a symlink in a directory an Ansible task later writes to) can therefore cause an arbitrary root-owned write on the host, outside the jail \u2014 a full jail escape. Arbitrary root-owned host writes are readily escalated to host compromise (e.g. cron, rc.d, authorized_keys). Preconditions for this vulnerability are that the operator runs a copy/template/fetch-style task (anything using put_file) against the jail, and the attacker can place a symlink inside the jail at or above the task's destination before the transfer runs. This issue has been fixed in version 2.0.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-59", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-21T14:24:55.995Z"}}}, "cveMetadata": {"cveId": "CVE-2026-55074", "state": "PUBLISHED", "dateUpdated": "2026-09-21T15:44:36.603Z", "dateReserved": "2026-06-16T14:33:35.710Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-09-21T14:24:55.995Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "ansible_jailexec", "vendor": "chofstede", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Ansible FreeBSD Jail Connection Plugin is an Ansible connection plugin for FreeBSD Jails via jexec. Through version 1.3.0, the jailexec connection plugin's put_file resolved a transfer's destination to a path on the jail host ( + ) and ran mkdir -p and mv there as root on the host. Those commands follow symbolic links, and the path was operated on outside the jail, so a symlink existing inside the jail was followed by the host-side, root-privileged mv. A party controlling content inside a managed jail (the jail's root, or any process able to create a symlink in a directory an Ansible task later writes to) can therefore cause an arbitrary root-owned write on the host, outside the jail \u2014 a full jail escape. Arbitrary root-owned host writes are readily escalated to host compromise (e.g. cron, rc.d, authorized_keys). Preconditions for this vulnerability are that the operator runs a copy/template/fetch-style task (anything using put_file) against the jail, and the attacker can place a symlink inside the jail at or above the task's destination before the transfer runs. This issue has been fixed in version 2.0.0."}], "id": "CVE-2026-55074", "lastModified": "2026-09-24T21:25:27.050", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55074", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-21T15:44:14.763476Z", "version": "2.0.3"}}]}, "published": "2026-09-21T15:17:29.627", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/chofstede/ansible_jailexec/blob/main/docs/security/advisory-2.0.0-jail-escape.md"}, {"source": "security-advisories@github.com", "url": "https://github.com/chofstede/ansible_jailexec/commit/6e80eecb2db7aebd1258fded6ae5c3aba1dd4123"}, {"source": "security-advisories@github.com", "url": "https://github.com/chofstede/ansible_jailexec/pull/6"}, {"source": "security-advisories@github.com", "url": "https://github.com/chofstede/ansible_jailexec/releases/tag/v2.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/chofstede/ansible_jailexec/security/advisories/GHSA-cxgv-hp74-jj7r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "ansible_jailexec", "source": "cna", "vendor": "chofstede"}, "product": "ansible_jailexec", "vendor": "chofstede"}], "created": "2026-09-21T16:15:03.627002+00:00", "updated": "2026-09-21T19:23:35.198435+00:00", "vendors": ["chofstede", "chofstede$PRODUCT$ansible_jailexec"]}