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Vulnerability record · CVE-2026-56092 · published 25 August 2026

CVE-2026-56092: Missing authorization vulnerability

The extension forces empty frontend-group and subpage-inheritance restrictions onto page records during indexer sub-requests, and this forged state was persisted into the shared rootline cache, allowing anonymous visitors to bypass extendToSubpages-inherited access restrictions on cached pages.

7.6 CVSS 4.0 High EPSS 0.29% · top 80.9% CWE-862 · Missing authorization Deferred
7.6CVSS 4.0 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Sep 2026Last modified by NVD

Description

The extension forces empty frontend-group and subpage-inheritance restrictions onto page records during indexer sub-requests, and this forged state was persisted into the shared rootline cache, allowing anonymous visitors to bypass extendToSubpages-inherited access restrictions on cached pages.

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

References

LinkTags
https://typo3.org/security/advisory/typo3-ext-sa-2026-025

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Source: NIST National Vulnerability Database (record CVE-2026-56092), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.