{"id":"CVE-2026-10795","aliases":["EUVD-2026-36215","GHSA-hc7f-qwfj-7fcf"],"status":"published","title":"UpdraftPlus: WP Backup \u0026 Migration Plugin \u003c= 1.26.4 - Unauthenticated Authentication Bypass via UpdraftCentral udrpc","description":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads 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":"2026-11-09","score":0.04308,"percentile":0.91222,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-347"],"published":"2026-06-11T05:34:20Z","modified":"2026-07-23T09:10:00Z","exploits":[{"source":"pocgithub","id":"izxci/CVE-2026-10795","title":"izxci/CVE-2026-10795","date":"2026-06-11","url":"https://github.com/izxci/CVE-2026-10795"},{"source":"pocgithub","id":"rootdirective-sec/CVE-2026-10795-Lab","title":"rootdirective-sec/CVE-2026-10795-Lab","date":"2026-06-15","url":"https://github.com/rootdirective-sec/CVE-2026-10795-Lab"},{"source":"pocgithub","id":"HORKimhab/CVE-2026-10795","title":"HORKimhab/CVE-2026-10795","date":"2026-09-08","url":"https://github.com/HORKimhab/CVE-2026-10795"},{"source":"pocgithub","id":"T54R/CVE-2026-10795_POC","title":"T54R/CVE-2026-10795_POC","date":"2026-11-04","url":"https://github.com/T54R/CVE-2026-10795_POC"}],"products":[{"vendor":"davidanderson","product":"updraftplus: wp backup \u0026 migration plugin"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e901c2a0-2477-4b9a-8483-6002419e0a2f?source=cve"},{"url":"https://plugins.svn.wordpress.org/updraftplus/tags/1.26.4/vendor/team-updraft/common-libs/src/updraft-rpc/class-udrpc2.php"},{"url":"https://plugins.svn.wordpress.org/updraftplus/tags/1.26.4/vendor/team-updraft/common-libs/src/updraft-rpc/class-udrpc.php"},{"url":"https://plugins.trac.wordpress.org/changeset/3561938/updraftplus/trunk/vendor/team-updraft/common-libs/src/updraft-rpc/class-udrpc2.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10795"},{"url":"https://github.com/advisories/GHSA-hc7f-qwfj-7fcf"}],"sources":{"cve":[{"id":"CVE-2026-10795","title":"UpdraftPlus: WP Backup \u0026 Migration Plugin \u003c= 1.26.4 - Unauthenticated Authentication Bypass via UpdraftCentral udrpc","description":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads to remote code execution.","status":"published","published":"2026-06-11T05:34:20.36Z","modified":"2026-06-11T14:37:38.538Z","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-347"],"updated_at":"2026-11-02T13:40:12.486331Z"}],"euvd":[{"id":"EUVD-2026-36215","description":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads to remote code execution.","status":"published","published":"2026-06-11T05:34:20Z","modified":"2026-06-11T14:37:38Z","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":"2026-11-02T18:20:44.061211Z"}],"ghsa":[{"id":"GHSA-hc7f-qwfj-7fcf","title":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to...","description":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads to remote code execution.","status":"published","published":"2026-06-11T09:31:55Z","modified":"2026-06-11T09:32:01Z","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-347"],"updated_at":"2026-11-02T15:08:44.492605Z"}],"nvd":[{"id":"CVE-2026-10795","description":"The UpdraftPlus: WP Backup \u0026 Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads to remote code execution.","status":"published","published":"2026-06-11T07:16:26.713Z","modified":"2026-07-23T09:10:00.113Z","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":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:23.485267Z"}]}}