{"id":"CVE-2026-87874","aliases":["DEBIAN-CVE-2026-87874","EUVD-2026-75115","GHSA-9xm7-6q66-g534","UBUNTU-CVE-2026-87874"],"status":"published","title":"Community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the ansible controller","description":"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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00721,"percentile":0.54442,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-09-09T16:06:22Z","modified":"2026-10-17T13:01:14Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.0.0+dfsg-1","10.0.1+dfsg-1","10.1.0+dfsg-1","10.5.0+dfsg-1","10.5.0+dfsg-2","10.6.0+dfsg-1","11.1.0+dfsg-1","11.2.0+dfsg-1","12.0.0+dfsg-1","12.0.0~a1+dfsg-1","12.0.0~a2+dfsg-1","12.0.0~a4+dfsg-1","12.0.0~a6+dfsg-1","12.0.0~b1+dfsg-1","12.0.0~b2+dfsg-1","12.0.0~b3+dfsg-1","12.0.0~b5+dfsg-1","12.2.0+dfsg-1","13.1.0+dfsg-1","13.4.0+dfsg-1","14.0.0+dfsg-1","14.0.0~a4+dfsg-1","14.4.0+dfsg-1","7.3.0+dfsg-1","7.7.0+dfsg-1","7.7.0+dfsg-2","7.7.0+dfsg-3","7.7.0+dfsg-3+deb12u1","9.4.0+dfsg-1","9.5.1+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["12.0.0+dfsg-0+deb13u1","12.0.0+dfsg-1","12.0.0~a6+dfsg-1","12.0.0~b1+dfsg-1","12.0.0~b2+dfsg-1","12.0.0~b3+dfsg-1","12.0.0~b5+dfsg-0+deb13u1","12.0.0~b5+dfsg-1","12.2.0+dfsg-1","13.1.0+dfsg-1","13.4.0+dfsg-1","14.0.0+dfsg-1","14.0.0~a4+dfsg-1","14.4.0+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["12.0.0+dfsg-1","12.0.0~a6+dfsg-1","12.0.0~b1+dfsg-1","12.0.0~b2+dfsg-1","12.0.0~b3+dfsg-1","12.0.0~b5+dfsg-1","12.2.0+dfsg-1","13.1.0+dfsg-1","13.4.0+dfsg-1","14.0.0+dfsg-1","14.0.0~a4+dfsg-1","14.4.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1+dfsg-1","1.3.4+dfsg-1","1.4.0+dfsg-1","1.4.1+dfsg-1","1.4.3+dfsg-1","1.4.4+dfsg-1","1.5.4+dfsg-1","1.5.4+dfsg-1ubuntu0.1~esm1","1.5.4+dfsg-1ubuntu0.1~esm2","1.5.4+dfsg-1ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2+dfsg-2","1.9.4-1","2.0.0.2-2","2.0.0.2-2ubuntu1","2.0.0.2-2ubuntu1.1","2.0.0.2-2ubuntu1.2","2.0.0.2-2ubuntu1.3","2.0.0.2-2ubuntu1.3+esm1","2.0.0.2-2ubuntu1.3+esm2","2.0.0.2-2ubuntu1.3+esm3","2.0.0.2-2ubuntu1.3+esm4","2.0.0.2-2ubuntu1.3+esm5","2.0.0.2-2ubuntu1.3+esm6"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.1.0+dfsg-2","2.5.0+dfsg-1","2.5.1+dfsg-1","2.5.1+dfsg-1ubuntu0.1","2.5.1+dfsg-1ubuntu0.1+esm1","2.5.1+dfsg-1ubuntu0.1+esm2","2.5.1+dfsg-1ubuntu0.1+esm3","2.5.1+dfsg-1ubuntu0.1+esm4","2.5.1+dfsg-1ubuntu0.1+esm5"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.3+dfsg-1","2.8.6+dfsg-1","2.9.2+dfsg-1","2.9.4+dfsg-1","2.9.6+dfsg-1","2.9.6+dfsg-1ubuntu0.1~esm1","2.9.6+dfsg-1ubuntu0.1~esm2","2.9.6+dfsg-1ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ansible-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.0-1","2.12.0-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.7+merged+base+2.10.8+dfsg-1","2.10.7+merged+base+2.10.8+dfsg-1ubuntu0.1~esm1","2.10.7+merged+base+2.10.8+dfsg-1ubuntu0.1~esm4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.7.0+dfsg-1","7.7.0+dfsg-3","9.2.0+dfsg-0ubuntu4","9.2.0+dfsg-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ansible-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.9-2","2.14.11-1","2.14.11-2","2.14.13-1","2.16.3-0ubuntu1","2.16.3-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["13.1.0+dfsg-1ubuntu1","13.4.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ansible-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.20.1-1","2.21.1~rc1-1","2.21.1~rc1-2","2.21.1~rc1-2ubuntu1","2.22.0~beta2-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ansible","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["12.0.0~b1+dfsg-1","12.0.0+dfsg-1","12.2.0+dfsg-1","13.1.0+dfsg-1","13.1.0+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ansible-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.0-1ubuntu1","2.19.4-1","2.20.1-1"]}],"products":[{"vendor":"red hat","product":"red hat ceph storage 5"},{"vendor":"red hat","product":"red hat ceph storage 9"},{"vendor":"red hat","product":"red hat openstack platform 17.1"},{"vendor":"red hat","product":"red hat openstack platform 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","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87874"},{"url":"https://github.com/advisories/GHSA-9xm7-6q66-g534"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-87874","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-87874","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87874","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-87874","title":"Community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the ansible controller","description":"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.","status":"published","published":"2026-09-09T16:06:22.995Z","modified":"2026-09-10T12:50:27.938Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:37:58.613221Z"}],"euvd":[{"id":"EUVD-2026-75115","description":"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.","status":"published","published":"2026-09-09T16:06:22Z","modified":"2026-09-10T12:50:27Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:25.275283Z"}],"ghsa":[{"id":"GHSA-9xm7-6q66-g534","title":"A flaw was found in the memcached cache plugin of the community.general Ansible\ncollection....","description":"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.","status":"published","published":"2026-09-09T18:32:05Z","modified":"2026-09-09T18:32:11Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:11:40.005602Z"}],"nvd":[{"id":"CVE-2026-87874","description":"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.","status":"published","published":"2026-09-09T17:17:53.093Z","modified":"2026-09-09T20:13:26.72Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:45.93749Z"}],"osv":[{"id":"DEBIAN-CVE-2026-87874","description":"A flaw was found in the memcached cache plugin of the community.general Ansible collection. Although its documentation states that records are stored in JSON format, the plugin performs no explicit serialization and relies on python-memcached, which pickles values on write and unpickles them on read. Because memcached is unauthenticated and cache keys are predictable, an attacker able to reach a network-exposed or shared memcached instance can write a crafted pickle payload that is deserialized and executed on the Ansible controller when the poisoned fact cache is next read, leading to remote code execution.","status":"published","published":"2026-09-09T17:17:53.093Z","modified":"2026-10-01T03:03:52.211892214Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:05.506112Z"},{"id":"UBUNTU-CVE-2026-87874","description":"A flaw was found in the memcached cache plugin of the community.general Ansible collection. Although its documentation states that records are stored in JSON format, the plugin performs no explicit serialization and relies on python-memcached, which pickles values on write and unpickles them on read. Because memcached is unauthenticated and cache keys are predictable, an attacker able to reach a network-exposed or shared memcached instance can write a crafted pickle payload that is deserialized and executed on the Ansible controller when the poisoned fact cache is next read, leading to remote code execution.","status":"published","published":"2026-09-09T17:17:00Z","modified":"2026-10-17T13:01:14.864298423Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:24.828975Z"}]}}