How many CVEs does varnish-software have?

varnish-software has 17 published CVE records since 2017, including 9 in the last two years.

How many varnish-software CVEs are in CISA KEV?

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

Which varnish-software products have the most CVEs?

The varnish-software products with the most published CVEs are Varnish Cache, Varnish Enterprise, varnish cache plus, varnich cache, Varnish Cache by Varnish Software.

What are the most common weakness types in varnish-software CVEs?

varnish-software's CVEs most often map to these CWE weakness types: CWE-444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')), CWE-670 (Always-Incorrect Control Flow Implementation), CWE-20 (Improper Input Validation), CWE-125 (Out-of-bounds Read).

Are there public exploits for varnish-software vulnerabilities?

Yes — 1 of varnish-software's CVEs have a known public exploit.

How many critical varnish-software vulnerabilities are there?

varnish-software has 2 critical and 10 high-severity CVEs.

What is the average severity of varnish-software CVEs?

The average CVSS base score across varnish-software's scored CVEs is 7.1.

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17 CVEs

varnish-software Vulnerabilities

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

CVE security advisories and vulnerability history for varnish-software.

17

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

7.1

Avg CVSS

2017–2026

Overview

varnish-software has 17 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 7.1.

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

Security scorecard

A quick read on varnish-software's vulnerability posture, as a share of its 17 published CVEs.

Average CVSS: 7.1
Critical / high: 71%
Actively exploited (KEV): 0%
Public exploit available: 6%
Patch available: 100%

Severity and exploitation

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

Critical2

High10

Medium4

Low1

In CISA’s Known Exploited Vulnerabilities catalog

0

None of varnish-software's CVEs are currently listed in CISA's KEV catalog.

Public exploits

1

One of varnish-software's CVEs has a known public exploit available.

Most affected products

The varnish-software 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 varnish-software CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish varnish-software CVE records.

Disclosure activity by year

How many varnish-software CVEs were published each year.

2017

1

2019

1

2020

2

2021

1

2022

2

2023

1

2025

4

2026

5

Latest varnish-software CVEs

The most recently disclosed vulnerabilities affecting varnish-software.

Low vulnerability · 2026-06-03
CWE-444
Low · CVSS 2.3
EPSS 0.4%2026-06-03
High vulnerability · 2026-04-12
CWE-670
High · CVSS 7.5
EPSS 0.3%2026-04-12
High vulnerability · 2026-04-12
CWE-770
High · CVSS 7.5
EPSS 0.2%2026-04-12
High vulnerability · 2026-04-12
CWE-670
High · CVSS 7.5
EPSS 0.2%2026-04-12
Critical vulnerability · 2026-03-27
CWE-180
Critical · CVSS 9.8
EPSS 0.2%2026-03-27
CVE-2025-8671
CWE-404
High · CVSS 7.5
EPSS 3.5%2025-08-13
Medium vulnerability · 2025-05-13
CWE-444
Medium · CVSS 5.4
EPSS 0.3%2025-05-13
High vulnerability · 2025-03-21
CWE-125
High · CVSS 7.5
EPSS 0.3%2025-03-21
Medium vulnerability · 2025-03-21
CWE-444
Medium · CVSS 5.4
EPSS 0.3%2025-03-21
Medium vulnerability · 2023-08-23
Medium · CVSS 6.5
EPSS 0.5%2023-08-23
High vulnerability · 2022-11-09
CWE-20
High · CVSS 7.5
EPSS 0.9%2022-11-09
Critical vulnerability · 2022-01-26
Critical · CVSS 9.1
EPSS 2.0%2022-01-26

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Frequently asked questions

Common questions about varnish-software vulnerabilities.

How many CVEs does varnish-software have?: varnish-software has 17 published CVE records since 2017, including 9 in the last two years.
How many varnish-software CVEs are in CISA KEV?: None of varnish-software's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which varnish-software products have the most CVEs?: The varnish-software products with the most published CVEs are Varnish Cache, Varnish Enterprise, varnish cache plus, varnich cache, Varnish Cache by Varnish Software.
What are the most common weakness types in varnish-software CVEs?: varnish-software's CVEs most often map to these CWE weakness types: CWE-444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')), CWE-670 (Always-Incorrect Control Flow Implementation), CWE-20 (Improper Input Validation), CWE-125 (Out-of-bounds Read).
Are there public exploits for varnish-software vulnerabilities?: Yes — 1 of varnish-software's CVEs have a known public exploit.
How many critical varnish-software vulnerabilities are there?: varnish-software has 2 critical and 10 high-severity CVEs.
What is the average severity of varnish-software CVEs?: The average CVSS base score across varnish-software's scored CVEs is 7.1.

References

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

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