How many CVEs does QOS.ch have?

QOS.ch has 19 published CVE records since 2017, including 7 in the last two years.

How many QOS.ch CVEs are in CISA KEV?

None of QOS.ch's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which QOS.ch products have the most CVEs?

The QOS.ch products with the most published CVEs are logback, ch.qos.logback:logback-core, reload4j, Logback-core, Logback-classic.

What are the most common weakness types in QOS.ch CVEs?

QOS.ch's CVEs most often map to these CWE weakness types: CWE-502 (Deserialization of Untrusted Data), CWE-20 (Improper Input Validation), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-295 (Improper Certificate Validation).

Are there public exploits for QOS.ch vulnerabilities?

Yes — 1 of QOS.ch's CVEs have a known public exploit.

How many critical QOS.ch vulnerabilities are there?

QOS.ch has 5 critical and 5 high-severity CVEs.

What is the average severity of QOS.ch CVEs?

The average CVSS base score across QOS.ch's scored CVEs is 6.6.

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19 CVEs

QOS.ch Vulnerabilities

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

CVE security advisories and vulnerability history for QOS.ch.

19

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

6.6

Avg CVSS

2017–2026

Overview

QOS.ch has 19 published CVE records since 2017, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 1 have a known public exploit. The average CVSS base score across scored CVEs is 6.6.

Security scorecard

A quick read on QOS.ch's vulnerability posture, as a share of its 19 published CVEs.

Average CVSS: 6.6
Critical / high: 53%
Actively exploited (KEV): 0%
Public exploit available: 5%
Patch available: 100%

Severity and exploitation

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

Critical5

High5

Medium4

Low5

In CISA’s Known Exploited Vulnerabilities catalog

0

None of QOS.ch's CVEs are currently listed in CISA's KEV catalog.

Public exploits

1

One of QOS.ch's CVEs has a known public exploit available.

Most affected products

The QOS.ch 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 QOS.ch CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish QOS.ch CVE records.

Disclosure activity by year

How many QOS.ch CVEs were published each year.

2018

1

2020

1

2021

2

2022

3

2023

2

2024

2

2025

1

2026

6

Latest QOS.ch CVEs

The most recently disclosed vulnerabilities affecting QOS.ch.

Logback: Incomplete protection against CVE-2026-19880
CWE-22
Medium · CVSS 6.3
EPSS 0.3%2026-10-02
Incomplete protection against CVE-2025-11226
CWE-22
Medium · CVSS 6.3
EPSS 0.3%2026-08-14
Incomplete protection against CVE-2025-11226
CWE-20
High · CVSS 7.0
EPSS 0.2%2026-06-24
Logback deserialization whitelist bypass for Proxy objects
CWE-502
Low · CVSS 2.9
EPSS 0.4%2026-06-01
Logback deserialization whitelist bypass for java.lang and java.util
CWE-502
Low · CVSS 2.9
EPSS 0.5%2026-05-28
Malicious logback.xml configuration file allows instantiation of arbitrary classes
CWE-20
Low · CVSS 1.8
EPSS 0.2%2026-01-22
Conditional processing of logback.xml configuration file, in conjuction with Spring Framework and Janino
CWE-20
High · CVSS 7.0
EPSS 0.2%2025-10-01
QOS.CH logback-core Server-Side Request Forgery vulnerability
CWE-918
Low · CVSS 2.4
EPSS 0.2%2024-12-19
QOS.CH logback-core Expression Language Injection vulnerability
CWE-917
Medium · CVSS 5.9
EPSS 0.5%2024-12-19
Logback is vulnerable to an attacker mounting a Denial-Of-Service attack by sending poisoned data
High · CVSS 7.5
EPSS 0.7%2023-12-04
logback serialization vulnerability
CWE-502
High · CVSS 7.5
EPSS 0.9%2023-11-29
A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.
CWE-502
Critical · CVSS 9.8
EPSS 54.4%2022-01-18

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Other vendors

CVE counts for other vendors.

microsoft41,739 CVEs linux25,260 CVEs Google17,495 CVEs Apple15,495 CVEs Oracle13,348 CVEs Debian10,233 CVEs IBM9,452 CVEs Red Hat8,581 CVEs

Browse all vendors

Frequently asked questions

Common questions about QOS.ch vulnerabilities.

How many CVEs does QOS.ch have?: QOS.ch has 19 published CVE records since 2017, including 7 in the last two years.
How many QOS.ch CVEs are in CISA KEV?: None of QOS.ch's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which QOS.ch products have the most CVEs?: The QOS.ch products with the most published CVEs are logback, ch.qos.logback:logback-core, reload4j, Logback-core, Logback-classic.
What are the most common weakness types in QOS.ch CVEs?: QOS.ch's CVEs most often map to these CWE weakness types: CWE-502 (Deserialization of Untrusted Data), CWE-20 (Improper Input Validation), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-295 (Improper Certificate Validation).
Are there public exploits for QOS.ch vulnerabilities?: Yes — 1 of QOS.ch's CVEs have a known public exploit.
How many critical QOS.ch vulnerabilities are there?: QOS.ch has 5 critical and 5 high-severity CVEs.
What is the average severity of QOS.ch CVEs?: The average CVSS base score across QOS.ch's scored CVEs is 6.6.

References

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

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