CVE-2018-11756: Apache Openwhisk

Critical severity, CVSS 9.8. EPSS: 8.1% chance of exploitation in the next 30 days.

In PHP Runtime for Apache OpenWhisk, a Docker action inheriting one of the Docker tags openwhisk/action-php-v7.2:1.0.0 or openwhisk/action-php-v7.1:1.0.1 (or earlier) may allow an attacker to replace the user function inside the container if the user code is vulnerable to code exploitation.

Affected products

  • Apache Openwhisk: before 1.0.1 (fixed in 1.0.1); before 1.0.2 (fixed in 1.0.2)

Published 2018-07-23. Last modified 2026-06-17.