{"id":"CVE-2026-105844","aliases":["EUVD-2026-93470","GHSA-qf28-8hc6-vwrp"],"status":"published","title":"Payload: Prototype pollution in Payload Import Export plugin","description":"Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0071,"percentile":0.54027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-1321"],"published":"2026-10-06T15:57:05Z","modified":"2026-10-28T02:30:45Z","exploits":[{"source":"pocgithub","id":"murrez/CVE-2026-105844","title":"murrez/CVE-2026-105844","date":"2026-10-07","url":"https://github.com/murrez/CVE-2026-105844"}],"fixes":[{"ecosystem":"npm","package":"@payloadcms/plugin-import-export","fixed_in":["3.88.0","4.0.0-canary.27"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@payloadcms/plugin-import-export","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.88.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@payloadcms/plugin-import-export","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.27"}]}]},{"source":"osv","ecosystem":"npm","package":"@payloadcms/plugin-import-export","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.88.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@payloadcms/plugin-import-export","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.27"}]}]}],"products":[{"vendor":"@payloadcms","product":"plugin-import-export"},{"vendor":"payloadcms","product":"payload"}],"references":[{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-qf28-8hc6-vwrp","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/advisories/GHSA-qf28-8hc6-vwrp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105844.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105844","tags":["advisory"]},{"url":"https://github.com/payloadcms/payload","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-105844","title":"Payload: Prototype pollution in Payload Import Export plugin","description":"Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","status":"published","published":"2026-10-06T15:57:05.371Z","modified":"2026-10-09T01:08:17.955Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-93470","description":"Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","status":"published","published":"2026-10-06T15:57:05Z","modified":"2026-10-09T01:08:17Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T17:27:25.942984Z"}],"ghsa":[{"id":"GHSA-qf28-8hc6-vwrp","title":"Payload: Prototype pollution in Payload Import Export plugin","description":"### Impact\nAn unauthenticated user could cause unintended application behavior when the Import Export plugin is enabled, allowing an attacker to submit and execute remote code (RCE).\n\nApplications that do not use `@payloadcms/plugin-import-export` are not affected.\n\n### Patches\nUsers should upgrade Payload packages to `\u003e= 3.88.0` or `\u003e= 4.0.0-canary.27.`\n\n### Workarounds\nUpgrading is recommended. Until then, disable the Import Export plugin or restrict access to its endpoints.","status":"published","published":"2026-10-06T16:09:23Z","modified":"2026-10-06T16:09:24Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:41:27.036917Z"}],"nvd":[{"id":"CVE-2026-105844","description":"Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","status":"published","published":"2026-10-06T16:17:06.4Z","modified":"2026-10-09T02:16:55.637Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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","level":"critical","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:12:54.486849Z"}],"osv":[{"id":"CVE-2026-105844","title":"Payload: Prototype pollution in Payload Import Export plugin","description":"Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","status":"published","published":"2026-10-06T15:57:05.371Z","modified":"2026-10-28T02:30:45.584138204Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"GHSA-qf28-8hc6-vwrp","title":"Payload: Prototype pollution in Payload Import Export plugin","description":"### Impact\nAn unauthenticated user could cause unintended application behavior when the Import Export plugin is enabled, allowing an attacker to submit and execute remote code (RCE).\n\nApplications that do not use `@payloadcms/plugin-import-export` are not affected.\n\n### Patches\nUsers should upgrade Payload packages to `\u003e= 3.88.0` or `\u003e= 4.0.0-canary.27.`\n\n### Workarounds\nUpgrading is recommended. Until then, disable the Import Export plugin or restrict access to its endpoints.","status":"published","published":"2026-10-06T16:09:23Z","modified":"2026-10-06T16:15:04.821648224Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:54.40888Z"}]}}