How many CVEs does civetweb have?

civetweb has 6 published CVE records since 2018, including 4 in the last two years.

How many civetweb CVEs are in CISA KEV?

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

Which civetweb products have the most CVEs?

The civetweb products with the most published CVEs are civetweb, CivetWeb library.

What are the most common weakness types in civetweb CVEs?

civetweb's CVEs most often map to these CWE weakness types: CWE-121 (Stack-based Buffer Overflow), CWE-158 (Improper Neutralization of Null Byte or NUL Character), CWE-23 (Relative Path Traversal), CWE-428 (Unquoted Search Path or Element).

Are there public exploits for civetweb vulnerabilities?

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

How many critical civetweb vulnerabilities are there?

civetweb has 1 critical and 5 high-severity CVEs.

What is the average severity of civetweb CVEs?

The average CVSS base score across civetweb's scored CVEs is 8.3.

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6 CVEs

civetweb Vulnerabilities

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

CVE security advisories and vulnerability history for civetweb.

6

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

8.3

Avg CVSS

2018–2026

Overview

civetweb has 6 published CVE records since 2018, 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 8.3.

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

Security scorecard

A quick read on civetweb's vulnerability posture, as a share of its 6 published CVEs.

Average CVSS: 8.3
Critical / high: 100%
Actively exploited (KEV): 0%
Public exploit available: 17%
Patch available: 100%

Severity and exploitation

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

Critical1

High5

Medium0

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

1

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

Most affected products

The civetweb 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 civetweb CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish civetweb CVE records.

Disclosure activity by year

How many civetweb CVEs were published each year.

2018

1

2021

1

2025

2

2026

2

Latest civetweb CVEs

The most recently disclosed vulnerabilities affecting civetweb.

CivetWeb Heap/Stack Buffer Overflow via WebSocket permessage-deflate Decompression
CWE-787
High · CVSS 8.3
EPSS 0.5%2026-08-11
Search path without quotes in CivetWeb
CWE-428
High · CVSS 8.5
EPSS 0.1%2026-04-21
Denial of Service in CivetWeb
CWE-158
High · CVSS 8.7
EPSS 0.8%2025-09-29
High vulnerability · 2025-08-29
CWE-121
High · CVSS 7.5
EPSS 1.2%2025-08-29
Critical vulnerability · 2021-10-21
CWE-23
Critical · CVSS 9.8
EPSS 3.2%2021-10-21
High vulnerability · 2018-06-22
High · CVSS 7.1
EPSS 1.1%2018-06-22

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Other vendors

Browse vulnerabilities for other tracked vendors.

microsoft36,677 CVEs linux22,794 CVEs Google16,507 CVEs Apple15,096 CVEs Oracle12,708 CVEs Debian10,226 CVEs IBM8,839 CVEs Red Hat8,120 CVEs

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Frequently asked questions

Common questions about civetweb vulnerabilities.

How many CVEs does civetweb have?: civetweb has 6 published CVE records since 2018, including 4 in the last two years.
How many civetweb CVEs are in CISA KEV?: None of civetweb's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which civetweb products have the most CVEs?: The civetweb products with the most published CVEs are civetweb, CivetWeb library.
What are the most common weakness types in civetweb CVEs?: civetweb's CVEs most often map to these CWE weakness types: CWE-121 (Stack-based Buffer Overflow), CWE-158 (Improper Neutralization of Null Byte or NUL Character), CWE-23 (Relative Path Traversal), CWE-428 (Unquoted Search Path or Element).
Are there public exploits for civetweb vulnerabilities?: Yes — 1 of civetweb's CVEs have a known public exploit.
How many critical civetweb vulnerabilities are there?: civetweb has 1 critical and 5 high-severity CVEs.
What is the average severity of civetweb CVEs?: The average CVSS base score across civetweb's scored CVEs is 8.3.

References

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

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