How many CVEs does Open-Xchange have?

Open-Xchange has 318 published CVE records since 2006, including 48 in the last two years.

How many Open-Xchange CVEs are in CISA KEV?

None of Open-Xchange's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which Open-Xchange products have the most CVEs?

The Open-Xchange products with the most published CVEs are open-xchange appsuite, OX App Suite, OX Dovecot Pro, appsuite-frontend, OX Dovecot CE.

What are the most common weakness types in Open-Xchange CVEs?

Open-Xchange's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-400 (Uncontrolled Resource Consumption), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')), CWE-20 (Improper Input Validation).

How many critical Open-Xchange vulnerabilities are there?

Open-Xchange has 14 critical and 50 high-severity CVEs.

What is the average severity of Open-Xchange CVEs?

The average CVSS base score across Open-Xchange's scored CVEs is 5.9.

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318 CVEs

Open-Xchange Vulnerabilities

Name: Open-Xchange vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Open-Xchange.

318

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

136

Public exploits

PoC or exploit code

5.9

Avg CVSS

2006–2026

Overview

Open-Xchange has 318 published CVE records since 2006, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 136 have a known public exploit. The average CVSS base score across scored CVEs is 5.9.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Open-Xchange products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Open-Xchange's vulnerability posture, as a share of its 318 published CVEs.

Average CVSS: 5.9
Critical / high: 20%
Actively exploited (KEV): 0%
Public exploit available: 43%
Patch available: 43%

Severity and exploitation

How the CVSS severity of Open-Xchange's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical14

High50

Medium241

Low13

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Open-Xchange's CVEs are currently listed in CISA's KEV catalog.

Public exploits

136

136 of Open-Xchange's CVEs have a known public exploit available.

Most affected products

The Open-Xchange products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Open-Xchange CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Open-Xchange CVE records.

Disclosure activity by year

How many Open-Xchange CVEs were published each year.

2019

34

2020

21

2021

37

2022

23

2023

47

2024

25

2025

7

2026

41

Latest Open-Xchange CVEs

The most recently disclosed vulnerabilities affecting Open-Xchange.

Medium vulnerability · 2026-08-28
CWE-674
Medium · CVSS 6.5
EPSS 0.3%2026-08-28
High vulnerability · 2026-08-28
CWE-287
High · CVSS 7.4
EPSS 0.3%2026-08-28
Medium vulnerability · 2026-08-28
CWE-400
Medium · CVSS 6.5
EPSS 0.3%2026-08-28
Low vulnerability · 2026-08-28
CWE-1050
Low · CVSS 3.1
EPSS 0.3%2026-08-28
Medium vulnerability · 2026-08-28
CWE-400
Medium · CVSS 4.3
EPSS 0.2%2026-08-28
Low vulnerability · 2026-08-28
CWE-200
Low · CVSS 3.1
EPSS 0.1%2026-08-28
Medium vulnerability · 2026-08-28
CWE-200
Medium · CVSS 4.3
EPSS 0.2%2026-08-28
High vulnerability · 2026-08-28
CWE-400
High · CVSS 7.5
EPSS 0.4%2026-08-28
Medium vulnerability · 2026-08-28
CWE-287
Medium · CVSS 4.3
EPSS 0.2%2026-08-28
Critical vulnerability · 2026-08-28
CWE-416
Critical · CVSS 9.1
EPSS 0.3%2026-08-28
Medium vulnerability · 2026-08-28
CWE-287
Medium · CVSS 5.9
EPSS 0.2%2026-08-28
Low vulnerability · 2026-08-28
CWE-284
Low · CVSS 3.1
EPSS 0.2%2026-08-28

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Other vendors

Browse vulnerabilities for other tracked vendors.

Progress330 CVEs Opera326 CVEs Eclipse Foundation322 CVEs Moxa320 CVEs OpenSSL319 CVEs discourse313 CVEs Nagios310 CVEs deltaww307 CVEs

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Frequently asked questions

Common questions about Open-Xchange vulnerabilities.

How many CVEs does Open-Xchange have?: Open-Xchange has 318 published CVE records since 2006, including 48 in the last two years.
How many Open-Xchange CVEs are in CISA KEV?: None of Open-Xchange's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Open-Xchange products have the most CVEs?: The Open-Xchange products with the most published CVEs are open-xchange appsuite, OX App Suite, OX Dovecot Pro, appsuite-frontend, OX Dovecot CE.
What are the most common weakness types in Open-Xchange CVEs?: Open-Xchange's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-400 (Uncontrolled Resource Consumption), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')), CWE-20 (Improper Input Validation).
Are there public exploits for Open-Xchange vulnerabilities?: Yes — 136 of Open-Xchange's CVEs have a known public exploit.
How many critical Open-Xchange vulnerabilities are there?: Open-Xchange has 14 critical and 50 high-severity CVEs.
What is the average severity of Open-Xchange CVEs?: The average CVSS base score across Open-Xchange's scored CVEs is 5.9.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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