{"schema_version":"1.9.0","id":"GHSA-qf28-8hc6-vwrp","published":"2026-10-06T16:09:23Z","modified":"2026-10-06T16:15:04.821648224Z","aliases":["CVE-2026-105844"],"summary":"Payload: Prototype pollution in Payload Import Export plugin","details":"### 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 `>= 3.88.0` or `>= 4.0.0-canary.27.`\n\n### Workarounds\nUpgrading is recommended. Until then, disable the Import Export plugin or restrict access to its endpoints.","affected":[{"package":{"name":"@payloadcms/plugin-import-export","ecosystem":"npm","purl":"pkg:npm/%40payloadcms/plugin-import-export"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.88.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-qf28-8hc6-vwrp/GHSA-qf28-8hc6-vwrp.json"}},{"package":{"name":"@payloadcms/plugin-import-export","ecosystem":"npm","purl":"pkg:npm/%40payloadcms/plugin-import-export"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.27"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-qf28-8hc6-vwrp/GHSA-qf28-8hc6-vwrp.json"}}],"references":[{"type":"WEB","url":"https://github.com/payloadcms/payload/security/advisories/GHSA-qf28-8hc6-vwrp"},{"type":"WEB","url":"https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a"},{"type":"PACKAGE","url":"https://github.com/payloadcms/payload"},{"type":"WEB","url":"https://github.com/payloadcms/payload/releases/tag/v3.88.0"}],"database_specific":{"cwe_ids":["CWE-1321"],"github_reviewed":true,"github_reviewed_at":"2026-10-06T16:09:23Z","nvd_published_at":null,"severity":"CRITICAL"},"severity":[{"type":"CVSS_V4","score":"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"}]}