TYPO3 CMS has Broken Access Control in its DataHandler
The advisory, in context
Problem
Backend users were able to move records to a different page without having edit permissions on the source page.
Solution
Update to TYPO3 versions 13.4.31 LTS, 14.3.3 LTS that fix the problem described.
Credits
TYPO3 CMS thanks Hyunseo Shin for reporting this issue, and TYPO3 security team member Torben Hansen for fixing it.
Resources
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 13.0.0 before 13.4.31
Fixed in 13.4.31
39 explicitly affected versions
v13.0.0, v13.0.1, v13.1.0, v13.1.1, v13.2.0, v13.2.1, v13.3.0, v13.3.1, v13.4.0, v13.4.1, v13.4.10, v13.4.11, v13.4.12, v13.4.13, v13.4.14, v13.4.15, v13.4.16, v13.4.17, v13.4.18, v13.4.19, v13.4.2, v13.4.20, v13.4.21, v13.4.22, v13.4.23, v13.4.24, v13.4.25, v13.4.26, v13.4.27, v13.4.28, v13.4.29, v13.4.3, v13.4.30, v13.4.4, v13.4.5, v13.4.6, v13.4.7, v13.4.8, v13.4.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "13.0.0"
},
{
"fixed": "13.4.31"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v13.0.0",
"v13.0.1",
"v13.1.0",
"v13.1.1",
"v13.2.0",
"v13.2.1",
"v13.3.0",
"v13.3.1",
"v13.4.0",
"v13.4.1",
"v13.4.10",
"v13.4.11",
"v13.4.12",
"v13.4.13",
"v13.4.14",
"v13.4.15",
"v13.4.16",
"v13.4.17",
"v13.4.18",
"v13.4.19",
"v13.4.2",
"v13.4.20",
"v13.4.21",
"v13.4.22",
"v13.4.23",
"v13.4.24",
"v13.4.25",
"v13.4.26",
"v13.4.27",
"v13.4.28",
"v13.4.29",
"v13.4.3",
"v13.4.30",
"v13.4.4",
"v13.4.5",
"v13.4.6",
"v13.4.7",
"v13.4.8",
"v13.4.9"
]
}From 14.0.0 before 14.3.3
Fixed in 14.3.3
9 explicitly affected versions
v14.0.0, v14.0.1, v14.0.2, v14.1.0, v14.1.1, v14.2.0, v14.3.0, v14.3.1, v14.3.2
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "14.0.0"
},
{
"fixed": "14.3.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v14.0.0",
"v14.0.1",
"v14.0.2",
"v14.1.0",
"v14.1.1",
"v14.2.0",
"v14.3.0",
"v14.3.1",
"v14.3.2"
]
}References
- https://github.com/TYPO3/typo3/security/advisories/GHSA-qcmw-6rm2-5x78
- https://nvd.nist.gov/vuln/detail/CVE-2026-47350
- https://github.com/TYPO3/typo3/commit/195356996a60e40aeb2cd3e45a5f5c8940d5e116
- https://github.com/TYPO3/typo3/commit/c9898d2e67608eda78f8bd1f06ee9cf05a872a56
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47350.yaml
- https://github.com/TYPO3/typo3
- https://typo3.org/security/advisory/typo3-core-sa-2026-012