CVE-2026-19418

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.1% of scored records. A rank, not a probability.

NVD base score

7.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-23.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-11 07:29Z2 MO AGO

Last updated

2026-08-11 13:21Z2 MO AGO

Reserved

2026-08-10

Assigning CNA

TYPO3

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-346Origin Validation ErrorClass
• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

b2bd95ec10da8f4aaba127919bb97f9c7dc11c87eefebbc1da4b0aa6531df974

• typo3.orghttps://typo3.org/security/advisory/typo3-core-sa-2026-021vendor-advisory
• typo3.orgTYPO3-CORE-SA-2020-006 (previous fix of the same protection mechanism)https://typo3.org/security/advisory/typo3-core-sa-2020-006related
• github.comGit commit of main branchhttps://github.com/TYPO3/typo3/commit/ae0abd329d52285fe6e92804c3608820ad45e872patch
• github.comGit commit of 14.3 branchhttps://github.com/TYPO3/typo3/commit/a0e8ee06a40e959b9e7b06a4b1cb19d3a0d3dcf7patch
• github.comGit commit of 13.4 branchhttps://github.com/TYPO3/typo3/commit/4a75e862c589c85d795d7c65dcdc835f8f413efcpatch