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Attackers can submit a serialized gadget chain, such as one generated via phpggc, through the admin settings form (for example the maintenance_message setting loaded by CheckMaintenance.php) to achieve arbitrary operating-system command execution as the PHP application process user, with the impact persisting until the value is overwritten.","state":0,"publishedAt":"2026-10-21T21:03:25.481+00:00","modifiedAt":"2026-10-28T01:58:42.698+00:00","affected":[{"ecosystem":"Vendor product","name":"TastyIgniter","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"vendor\": \"tastyigniter\",\n                    \"product\": \"TastyIgniter\",\n                    \"packageURL\": \"pkg:github/tastyigniter/TastyIgniter\",\n                    \"repo\": \"https://github.com/tastyigniter/TastyIgniter\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"4.4.5\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2,"severity":"HIGH"}],"references":["https://github.com/tastyigniter/TastyIgniter/issues/1205#issuecomment-6314187869","https://www.vulncheck.com/advisories/tastyigniter-php-object-injection-via-settings-deserialization"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-29001","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-29001","identifiers":["CVE-2026-29001"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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