CVE-2024-27135

Improper input validation in the Pulsar Function Worker allows a malicious authenticated user to execute arbitrary Java code on the Pulsar Function worker, outside of the sandboxes designated for running user-provided functions. This vulnerability also applies to the Pulsar Broker when it is configured with "functionsWorkerEnabled=true". This issue affects Apache Pulsar versions from 2.4.0 to 2.10.5, from 2.11.0 to 2.11.3, from 3.0.0 to 3.0.2, from 3.1.0 to 3.1.2, and 3.2.0. 2.10 Pulsar Function Worker users should upgrade to at least 2.10.6. 2.11 Pulsar Function Worker users should upgrade to at least 2.11.4. 3.0 Pulsar Function Worker users should upgrade to at least 3.0.3. 3.1 Pulsar Function Worker users should upgrade to at least 3.1.3. 3.2 Pulsar Function Worker users should upgrade to at least 3.2.1. Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.

• CWE-20
• CWE-913

• http://www.openwall.com/lists/oss-security/2024/03/12/9Mailing List, Third Party Advisory
• https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wnVendor Advisory
• https://pulsar.apache.org/security/CVE-2024-27135/Vendor Advisory
• http://www.openwall.com/lists/oss-security/2024/03/12/9Mailing List, Third Party Advisory
• https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wnVendor Advisory
• https://pulsar.apache.org/security/CVE-2024-27135/Vendor Advisory

Published

Mar 12, 2024

Last Modified

Jun 17, 2026

Status

Modified

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