Missing Authentication for Critical Function Affecting org.apache.storm:storm-client package, versions [,2.8.7)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Apr 2026
- disclosed27 Apr 2026
- creditK
Introduced: 27 Apr 2026
NewCVE-2026-41081 (opens in a new tab)How to fix?
Upgrade org.apache.storm:storm-client to version 2.8.7 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the TlsTransportPlugin. An attacker can gain unauthorized access by establishing a TLS connection without presenting a valid client certificate, as the system assigns an anonymous principal and does not reject the connection.
Note: This is only exploitable if client certificate authentication is not required and authorization rules do not explicitly deny access to CN=ANONYMOUS.
Workaround
This vulnerability can be mitigated by applying the following steps:
Enabling mandatory client certificate authentication.
Ensuring authorization rules explicitly deny access to
CN=ANONYMOUS.Reviewing all ACL configurations for implicit default-allow behavior.