{"id":"UBUNTU-CVE-2026-77647","details":"SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of \u003c?php blocks, and var_export's mishandling of certain cases such as presence of a '\u003c' character.","modified":"2026-09-02T19:36:34.847127209Z","published":"2026-08-20T23:16:00Z","upstream":["CVE-2026-77647"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-77647"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-77647"},{"type":"REPORT","url":"https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-20.html"}],"affected":[{"package":{"name":"spip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.20-1","3.0.21-1","3.0.21-1ubuntu1","3.0.21-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.21-1ubuntu1+esm1","binary_name":"spip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}},{"package":{"name":"spip","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.4-3","3.1.4-4~deb9u3build0.18.04.1","3.1.4-4~deb9u5build0.18.04.1","3.1.4-4~deb9u5ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"spip","binary_version":"3.1.4-4~deb9u5ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}},{"package":{"name":"spip","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.4-1","3.2.5-1","3.2.7-1","3.2.7-1ubuntu0.1","3.2.7-1ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"spip","binary_version":"3.2.7-1ubuntu0.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}},{"package":{"name":"spip","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.11-3","3.2.12-1","4.0.2-1","4.0.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.0.4-1","binary_name":"spip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}},{"package":{"name":"spip","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.11+dfsg-1","4.1.12+dfsg-1","4.1.13+dfsg-1","4.1.15+dfsg-1","4.2.9+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_name":"spip","binary_version":"4.2.9+dfsg-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}},{"package":{"name":"spip","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/spip?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.3+dfsg-1","4.4.6+dfsg-1","4.4.7+dfsg-1","4.4.8+dfsg-1","4.4.9+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.9+dfsg-1","binary_name":"spip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77647.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}