How severe is CVE-2026-47343?

CVE-2026-47343 has a CVSS 4.0 base score of 7.2, rated high severity.

Is CVE-2026-47343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-47343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-47343 have an EU (EUVD) identifier?

Yes. CVE-2026-47343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35392.

When was CVE-2026-47343 published?

CVE-2026-47343 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-47343

CVE-2026-47343 is a high-severity vulnerability with a CVSS 4.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 4.0 base score 7.2)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35392
Weakness: CWE-862
Published: 2026-06-09
Last modified: 2026-06-17

Description

Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.

Frequently asked questions

What is CVE-2026-47343?: Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.
How severe is CVE-2026-47343?: CVE-2026-47343 has a CVSS 4.0 base score of 7.2, rated high severity.
Is CVE-2026-47343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-47343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-47343 have an EU (EUVD) identifier?: Yes. CVE-2026-47343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35392.
When was CVE-2026-47343 published?: CVE-2026-47343 was published on 2026-06-09 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

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