How many CVEs does undici have?

undici has 39 published CVE records since 2026, including 39 in the last two years.

How many undici CVEs are in CISA KEV?

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

Which undici products have the most CVEs?

The undici products with the most published CVEs are undici.

What are the most common weakness types in undici CVEs?

undici's CVEs most often map to these CWE weakness types: CWE-248 (Uncaught Exception), CWE-770 (Allocation of Resources Without Limits or Throttling), CWE-400 (Uncontrolled Resource Consumption), CWE-93 (Improper Neutralization of CRLF Sequences ('CRLF Injection')).

Are there public exploits for undici vulnerabilities?

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

How many critical undici vulnerabilities are there?

undici has 3 critical and 17 high-severity CVEs.

What is the average severity of undici CVEs?

The average CVSS base score across undici's scored CVEs is 6.7.

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39 CVEs

undici Vulnerabilities

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

CVE security advisories and vulnerability history for undici.

39

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

6.7

Avg CVSS

2026–2026

Overview

undici has 39 published CVE records since 2026, 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 6.7.

Security scorecard

A quick read on undici's vulnerability posture, as a share of its 39 published CVEs.

Average CVSS: 6.7
Critical / high: 51%
Actively exploited (KEV): 0%
Public exploit available: 3%
Patch available: 100%

Severity and exploitation

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

Critical3

High17

Medium16

Low3

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

1

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

Most affected products

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

undici39 CVEs

Common weakness types

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

CNAs that assign these CVEs

The CVE Numbering Authorities that publish undici CVE records.

openjs39 CVEs

Latest undici CVEs

The most recently disclosed vulnerabilities affecting undici.

undici vulnerable to Denial of Service via unhandled exception in the decompress interceptor
CWE-248
Medium · CVSS 5.9
EPSS 0.3%2026-10-15
undici WebSocket client vulnerable to Denial of Service via unbounded automatic PONG buffering
CWE-400
Medium · CVSS 5.9
EPSS 0.3%2026-10-15
undici vulnerable to Denial of Service via TLS 1.2 certificate-changing renegotiation
CWE-248
High · CVSS 7.5
EPSS 0.2%2026-10-15
undici vulnerable to TLS certificate validation bypass via dropped tls options in Agent
CWE-295
High · CVSS 7.4
EPSS 0.2%2026-10-15
undici vulnerable to cache poisoning and cross-user disclosure via cross-origin redirects
CWE-346
High · CVSS 7.4
EPSS 0.1%2026-10-15
undici vulnerable to Subresource Integrity bypass via non-lowercase algorithm tokens
CWE-178
Medium · CVSS 5.9
EPSS 0.3%2026-10-15
undici vulnerable to Denial of Service via unbounded memory in the EventSource parser
CWE-770
Medium · CVSS 5.9
EPSS 0.3%2026-10-15
undici vulnerable to Denial of Service via unhandled error on excessive content-encodings
CWE-248
High · CVSS 7.5
EPSS 0.3%2026-10-15
undici WebSocket client vulnerable to Denial of Service via failed HTTP/2 handshake
CWE-248
High · CVSS 7.5
EPSS 0.3%2026-10-15
undici vulnerable to Denial of Service via orphaned RetryHandler response body
CWE-772
Medium · CVSS 5.9
EPSS 0.4%2026-09-04
undici vulnerable to downstream response splitting via retry interceptor
CWE-444
Low · CVSS 3.7
EPSS 0.2%2026-09-04
undici vulnerable to Denial of Service via unrequested WebSocket subprotocol
CWE-248
High · CVSS 7.5
EPSS 0.4%2026-09-04

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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 undici vulnerabilities.

How many CVEs does undici have?: undici has 39 published CVE records since 2026, including 39 in the last two years.
How many undici CVEs are in CISA KEV?: None of undici's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which undici products have the most CVEs?: The undici products with the most published CVEs are undici.
What are the most common weakness types in undici CVEs?: undici's CVEs most often map to these CWE weakness types: CWE-248 (Uncaught Exception), CWE-770 (Allocation of Resources Without Limits or Throttling), CWE-400 (Uncontrolled Resource Consumption), CWE-93 (Improper Neutralization of CRLF Sequences ('CRLF Injection')).
Are there public exploits for undici vulnerabilities?: Yes — 1 of undici's CVEs have a known public exploit.
How many critical undici vulnerabilities are there?: undici has 3 critical and 17 high-severity CVEs.
What is the average severity of undici CVEs?: The average CVSS base score across undici's scored CVEs is 6.7.

References

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

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