Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003, including SQL injection and privilege escalation. This issue affects TYPO3 CMS versions 14.0.0-14.3.2.
CVE-2026-49741
This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 84% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.7
- EG Score
- 8.7(medium)
- EG Risk
- —
- EPSS
- 15.7%
- KEV
- Not listed
Published
June 9, 2026
Last Modified
July 15, 2026
Advisory Details (3)
Auto-updated Jun 9, 2026TYPO3-CORE-SA-2026-017: Privilege Escalation & SQL Injection in Form Framework - TYPO3 Project
https://typo3.org/security/advisory/typo3-core-sa-2026-017TYPO3-CORE-SA-2018-003: Privilege Escalation & SQL Injection in TYPO3 CMS - TYPO3 Project
https://typo3.org/security/advisory/typo3-core-sa-2018-003commit c90493c13b63 (TYPO3/typo3)
Fix landed in TYPO3/typo3 commit c90493c13b63 — awaiting tagged release
https://github.com/TYPO3/typo3/commit/c90493c13b633f328cf2c066182c90a1655ff0fcVendor Advisories for CVE-2026-49741(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| typo3/cms-core | v14.0.0 ... v14.3.2 (9 versions) | 14.3.3 | — |
| typo3/cms-form | v14.0.0 ... v14.3.2 (9 versions) | 14.3.3 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 32× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-06-28 04:56 UTCEPSS rescore
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- 2026-06-10 13:22 UTCEPSS rescore
- 2026-06-09 11:20 UTCEG score recompute
- 2026-06-09 11:19 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
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