CVE-2026-8337MEDIUMCVSS 0.0

Concrete CMS is vulnerable to IDOR in surveys

Published May 22, 2026·Updated Jun 24, 2026

Description

Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys. To be vulnerable, a site would have to be configured in such a way that both public and private surveys are present on the site. An unauthenticated attacker can vote in the restricted survey by submitting the restricted optionID through the public survey’s endpoint.

Affected Packages (1)

concrete5/concrete5COMPOSER
Fixed in 9.5.1

References

View on NVD Search GitHub Search Google

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