{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87874", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-09T13:36:20.508Z", "datePublished": "2026-09-09T16:06:22.995Z", "dateUpdated": "2026-09-09T16:59:14.348Z"}, "containers": {"cna": {"title": "Community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the ansible controller", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the memcached cache plugin of the community.general Ansible\ncollection. Although its documentation states that records are stored in JSON\nformat, the plugin performs no explicit serialization and relies on\npython-memcached, which pickles values on write and unpickles them on read.\nBecause memcached is unauthenticated and cache keys are predictable, an attacker\nable to reach a network-exposed or shared memcached instance can write a crafted\npickle payload that is deserialized and executed on the Ansible controller when\nthe poisoned fact cache is next read, leading to remote code execution."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Ceph Storage 5", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ceph_storage:5"]}, {"vendor": "Red Hat", "product": "Red Hat Ceph Storage 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ceph_storage:9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenStack Platform 17.1", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openstack:17.1"]}, {"vendor": "Red Hat", "product": "Red Hat OpenStack Platform 18.0", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openstack:18.0"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-87874", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2530995", "name": "RHBZ#2530995", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-09T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-502: Deserialization of Untrusted Data", "workarounds": [{"lang": "en", "value": "Bind memcached to localhost only (the plugin default, 127.0.0.1:11211) and\n never expose an unauthenticated memcached across a trust boundary; isolate the\n cache to the controller. Prefer the redis cache plugin (explicit JSON) or the\n jsonfile/yaml cache plugins where a shared/remote fact cache is required. Treat\n any host with write access to the fact-cache memcached as trusted to run code\n on the controller."}], "timeline": [{"lang": "en", "time": "2026-09-09T14:42:30.081Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-09T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Jeong Woochang for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-09T16:06:22.995Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-09T16:58:33.648402Z", "id": "CVE-2026-87874", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T16:59:14.348Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87874", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-09T13:36:20.508Z", "datePublished": "2026-09-09T16:06:22.995Z", "dateUpdated": "2026-09-09T16:59:14.348Z"}, "containers": {"cna": {"title": "Community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the ansible controller", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the memcached cache plugin of the community.general Ansible\ncollection. Although its documentation states that records are stored in JSON\nformat, the plugin performs no explicit serialization and relies on\npython-memcached, which pickles values on write and unpickles them on read.\nBecause memcached is unauthenticated and cache keys are predictable, an attacker\nable to reach a network-exposed or shared memcached instance can write a crafted\npickle payload that is deserialized and executed on the Ansible controller when\nthe poisoned fact cache is next read, leading to remote code execution."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Ceph Storage 5", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ceph_storage:5"]}, {"vendor": "Red Hat", "product": "Red Hat Ceph Storage 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ceph_storage:9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenStack Platform 17.1", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openstack:17.1"]}, {"vendor": "Red Hat", "product": "Red Hat OpenStack Platform 18.0", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-collection-community-general", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openstack:18.0"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-87874", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2530995", "name": "RHBZ#2530995", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-09T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-502: Deserialization of Untrusted Data", "workarounds": [{"lang": "en", "value": "Bind memcached to localhost only (the plugin default, 127.0.0.1:11211) and\n never expose an unauthenticated memcached across a trust boundary; isolate the\n cache to the controller. Prefer the redis cache plugin (explicit JSON) or the\n jsonfile/yaml cache plugins where a shared/remote fact cache is required. Treat\n any host with write access to the fact-cache memcached as trusted to run code\n on the controller."}], "timeline": [{"lang": "en", "time": "2026-09-09T14:42:30.081Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-09T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Jeong Woochang for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-09T16:06:22.995Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-87874", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-09T16:58:33.648402Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T16:58:59.241Z"}}]}}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ceph_storage:5"], "defaultStatus": "affected", "packageName": "ansible-collection-community-general", "product": "Red Hat Ceph Storage 5", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ceph_storage:9"], "defaultStatus": "affected", "packageName": "ansible-collection-community-general", "product": "Red Hat Ceph Storage 9", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openstack:17.1"], "defaultStatus": "affected", "packageName": "ansible-collection-community-general", "product": "Red Hat OpenStack Platform 17.1", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:openstack:18.0"], "defaultStatus": "affected", "packageName": "ansible-collection-community-general", "product": "Red Hat OpenStack Platform 18.0", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the memcached cache plugin of the community.general Ansible\ncollection. Although its documentation states that records are stored in JSON\nformat, the plugin performs no explicit serialization and relies on\npython-memcached, which pickles values on write and unpickles them on read.\nBecause memcached is unauthenticated and cache keys are predictable, an attacker\nable to reach a network-exposed or shared memcached instance can write a crafted\npickle payload that is deserialized and executed on the Ansible controller when\nthe poisoned fact cache is next read, leading to remote code execution."}], "id": "CVE-2026-87874", "lastModified": "2026-09-09T20:13:26.720", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-87874", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-09T16:58:33.648402Z", "version": "2.0.3"}}]}, "published": "2026-09-09T17:17:53.093", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-87874"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2530995"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Jeong Woochang for reporting this issue.", "bugzilla": {"description": "community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the Ansible controller", "id": "2530995", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2530995"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["A flaw was found in the memcached cache plugin of the community.general Ansible\ncollection. Although its documentation states that records are stored in JSON\nformat, the plugin performs no explicit serialization and relies on\npython-memcached, which pickles values on write and unpickles them on read.\nBecause memcached is unauthenticated and cache keys are predictable, an attacker\nable to reach a network-exposed or shared memcached instance can write a crafted\npickle payload that is deserialized and executed on the Ansible controller when\nthe poisoned fact cache is next read, leading to remote code execution."], "mitigation": {"lang": "en:us", "value": "Bind memcached to localhost only (the plugin default, 127.0.0.1:11211) and\nnever expose an unauthenticated memcached across a trust boundary; isolate the\ncache to the controller. Prefer the redis cache plugin (explicit JSON) or the\njsonfile/yaml cache plugins where a shared/remote fact cache is required. Treat\nany host with write access to the fact-cache memcached as trusted to run code\non the controller."}, "name": "CVE-2026-87874", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:5", "fix_state": "Fix deferred", "package_name": "ansible-collection-community-general", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "ansible-collection-community-general", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Fix deferred", "package_name": "ansible-collection-community-general", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Fix deferred", "package_name": "ansible-collection-community-general", "product_name": "Red Hat OpenStack Platform 18.0"}], "public_date": "2026-09-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-87874\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-87874"], "statement": "This issue affects the community.general collection, which is community-\nmaintained content and is not shipped in a Red Hat-supported execution\nenvironment for Ansible Automation Platform, nor in RHEL AppStream.\nExploitation requires a non-default, insecure deployment (a reachable,\nunauthenticated memcached shared across a trust boundary); with memcached\nisolated to the controller there is no security impact.", "threat_severity": "Moderate"}