---
id: CVE-2026-52486
title: >-
  An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of
  service via the verify function in the SIgnedDocument module
summary: >-
  An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of
  service via the verify function in the SIgnedDocument module
severity: medium
cvss: 6.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'
cwe:
  - CWE-347
published: '2026-09-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T19:17:28.233'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-52486'
references:
  - url: 'https://gist.github.com/lkloliver/31a58b0b613a5f4d82dd183b353bbdf2'
    label: cve@mitre.org
  - url: >-
      https://github.com/OpenDDS/OpenDDS/tree/master/dds/DCPS/security/SSL/SignedDocument.cpp
    label: cve@mitre.org
  - url: 'https://gist.github.com/lkloliver/31a58b0b613a5f4d82dd183b353bbdf2'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-09T18:43:05.849904Z'
epss: 0.00093
epssPercentile: 0.00548
ingestedAt: '2026-09-08T21:11:12.314Z'
---

## Overview

An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.