SEPTEMBER 15, 2026
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Case File

CVE-2026-22591

HIGH · CVSS 7.5 EPSS 0.26% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

Fast DDS versions prior to 2.6.12, 2.14.6, 3.2.4, and 3.4.3 are vulnerable to a remote denial-of-service attack due to a flaw in the SQL-based content filtering mechanism, allowing any participant in a DDS domain to crash other participants by sending a specially crafted message. This vulnerability poses a significant risk to systems relying on Fast DDS for data distribution, particularly in environments where uptime and reliability are critical. Organizations using affected versions should prioritize upgrading to the patched releases to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-22591
Severity
HIGH
CVSS
7.5
EPSS
0.26%

Original NVD Description

eprosima Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). Prior to versions 2.6.12, 2.14.6, 3.2.4, and 3.4.3, Fast DDS’s implementation of SQL‑based content filtering (DDSSQLFilter) allows any participant in a DDS domain to remotely crash other Fast DDS participants by sending a single crafted SEDP `DATA` submessage whose `PID_CONTENT_FILTER_PROPERTY.filterExpression` contains a deeply nested filter expression. Versions 2.6.12, 2.14.6, 3.2.4, and 3.4.3 fix the issue.