CVE-2026-77146

8.3 highEPSS 0.4%

High (8.3). EPSS 0.4% chance of exploitation in the next 30 days.

The extension's invitation controller fails to stop processing after redirecting on invalid input (missing hash, non-existent, disabled, or deleted users), allowing an unauthenticated attacker to set a new password for and re-enable an arbitrary existing frontend user account. This vulnerability is only present in the 8.x versions of the extension.

Severity

CVSS 4.0

8.3 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-08-25
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-024

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