CVE Explorer
CVE-2026-49740
TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads without integrity validation or class restrictions. An attacker with write access to the underlying storage backend (cache store or sys_registry database table) could inject a crafted serialized payload to trigger PHP Object Injection, potentially exploiting a gadget chain to achieve Remote Code Execution or other high-impact effects. Exploiting this vulnerability requires direct local w
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://packagist.org","defaultStatus":"unaffected","modules":["Core"],"packageName":"typo3/cms-core","product":"TYPO3 CMS","repo":"https://github.com/TYPO3/typo3","vendor":"TYPO3","versions":[{"lessThan":"10.4.57","status":"affected","version":"0","versionType":"semver"},{"lessThan":"11.5.51","status":"affected","version":"11.0.0","versionType":"semver"},{"lessThan":"12.4.46","status":"affected","version":"12.0.0","versionType":"semver"},{"lessThan":"13.4.31","status":"affected","version":"13.0.0","versionType":"semver"},{"lessThan":"14.3.3","status":"affected","version":"14…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"N…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"Git commit of main branch","tags":["patch"],"url":"https://github.com/TYPO3/typo3/commit/48bcf24f31f52cc0b43d3bea4984634bd2cf85c7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/references/1
{"name":"Git commit of 13.4 branch","tags":["patch"],"url":"https://github.com/TYPO3/typo3/commit/87cd7c5b710c44d3606fed277b040a75dc6a9c02"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/references/2
{"tags":["vendor-advisory"],"url":"https://typo3.org/security/advisory/typo3-core-sa-2026-018"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3fa992ec080ffaaebd894e89f6d755987eeb9131fa99fe1fab4a3cb5adc499ea · sha256:153392e843b2a1b5… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.