TYPO3 CMS - Information Disclosure via Backend Localization Wizard
Summary
| CVE | CVE-2026-77132 |
|---|---|
| State | PUBLISHED |
| Assigner | TYPO3 |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-08 10:17:13 UTC |
| Updated | 2026-09-08 19:15:18 UTC |
| Description | It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated, low-privileged backend users to access information about records and content elements that fall outside of their permitted range. Exploiting this vulnerability requires a low-privileged backend user account. This issue affects TYPO3 CMS versions 10.0.0-10.4.59, 11.0.0-11.5.53, 12.0.0-12.4.48, 13.0.0-13.4.34 and 14.0.0-14.3.6. |
Risk And Classification
Primary CVSS: v4.0 5.3 MEDIUM from f4fb688c-4412-4426-b4b8-421ecf27b14a
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.004090000 probability, percentile 0.341980000 (date 2026-09-08)
Problem Types: CWE-200 | CWE-862 | CWE-862 CWE-862 Missing Authorization | CWE-200 CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | f4fb688c-4412-4426-b4b8-421ecf27b14a | Secondary | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | TYPO3 | TYPO3 CMS | affected 10.0.0 10.4.60 semver | Not specified |
| CNA | TYPO3 | TYPO3 CMS | affected 11.0.0 11.5.54 semver | Not specified |
| CNA | TYPO3 | TYPO3 CMS | affected 12.0.0 12.4.49 semver | Not specified |
| CNA | TYPO3 | TYPO3 CMS | affected 13.0.0 13.4.35 semver | Not specified |
| CNA | TYPO3 | TYPO3 CMS | affected 14.0.0 14.3.7 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/TYPO3/typo3/commit/35e070fc654def838fbdc45562c2c095d44ca086 | f4fb688c-4412-4426-b4b8-421ecf27b14a | github.com | |
| github.com/TYPO3/typo3/commit/1c63ce806d1ccac839f4aa54ac7f48a22dd7ea64 | f4fb688c-4412-4426-b4b8-421ecf27b14a | github.com | |
| github.com/TYPO3/typo3/commit/c232421325bd18fc4d13efac0fc018a57da2dcd6 | f4fb688c-4412-4426-b4b8-421ecf27b14a | github.com | |
| news.typo3.com/security/advisory/typo3-core-sa-2026-022 | f4fb688c-4412-4426-b4b8-421ecf27b14a | news.typo3.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Oliver Hader (en)
CNA: Antariksha Akhilesh sharma (en)
CNA: “kei” (en)
CNA: David Gómez Bru (en)
CNA: Khương Anh (en)
CNA: Miro Hatachi (en)
CNA: Phan Long (en)
CNA: HDWSec (en)
CNA: El Mostafa Noujad (en)
CNA: Benjamin Kott (en)