CVE-2026-47351: TYPO3 CMS · Missing Authorization
Affects TYPO3 CMSSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium : upgrade to 14.3.3 or 13.4.31 when convenient.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 14.3.3, 13.4.31
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade TYPO3 CMS and typo3/typo3 and typo3/cms-backend to 14.3.3 or 13.4.31.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TYPO3TYPO3 CMS | Affected
| Fixed in
|
| TYPO3TYPO3 CMS | Affected
| Fixed in
|
GitHubtypo3/typo3pkg:github/typo3/typo3Other threats | Affected
| Fixed in
|
Packagisttypo3/cms-backendpkg:composer/typo3/cms-backendOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict backend user permissions to minimize exposure.
Description
Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, which allowed users to gather information about records and files they were not authorized to view. This issue affects TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2.