How many CVEs does xyproto have?

xyproto has 9 published CVE records since 2023, including 8 in the last two years.

How many xyproto CVEs are in CISA KEV?

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

Which xyproto products have the most CVEs?

The xyproto products with the most published CVEs are algernon, github.com/xyproto/algernon.

What are the most common weakness types in xyproto CVEs?

xyproto's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-20 (Improper Input Validation), CWE-209 (Generation of Error Message Containing Sensitive Information), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')).

Are there public exploits for xyproto vulnerabilities?

Yes — 6 of xyproto's CVEs have a known public exploit.

How many critical xyproto vulnerabilities are there?

xyproto has 1 critical and 4 high-severity CVEs.

What is the average severity of xyproto CVEs?

The average CVSS base score across xyproto's scored CVEs is 6.8.

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9 CVEs

xyproto Vulnerabilities

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

CVE security advisories and vulnerability history for xyproto.

9

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

6

Public exploits

PoC or exploit code

6.8

Avg CVSS

2023–2026

Overview

xyproto has 9 published CVE records since 2023, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 6 have a known public exploit. The average CVSS base score across scored CVEs is 6.8.

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

Security scorecard

A quick read on xyproto's vulnerability posture, as a share of its 9 published CVEs.

Average CVSS: 6.8
Critical / high: 56%
Actively exploited (KEV): 0%
Public exploit available: 67%
Patch available: 89%

Severity and exploitation

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

Critical1

High4

Medium4

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

6

6 of xyproto's CVEs have a known public exploit available.

Most affected products

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

CNAs that assign these CVEs

The CVE Numbering Authorities that publish xyproto CVE records.

Disclosure activity by year

How many xyproto CVEs were published each year.

2023

1

2025

1

2026

7

Latest xyproto CVEs

The most recently disclosed vulnerabilities affecting xyproto.

Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir
CWE-644
High · CVSS 8.2
EPSS 0.3%2026-05-26
Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *
CWE-942
Medium · CVSS 4.3
EPSS 0.2%2026-05-26
Algernon: Auto-refresh SSE event server binds to all interfaces by default on Linux/macOS
CWE-1188
Medium · CVSS 4.3
EPSS 0.2%2026-05-26
Algernon: Single-file mode unconditionally enables debug mode
CWE-209
High · CVSS 7.5
EPSS 0.3%2026-05-26
Algernon: handler.lua discovery walks parent directories above the server root
CWE-20
Critical · CVSS 9.0
EPSS 0.4%2026-05-26
Algernon: Race Condition in handle() shared LState
CWE-362
High · CVSS 8.2
EPSS 0.2%2026-05-26
Algernon: Path traversal file write via savein()
CWE-22
High · CVSS 8.7
EPSS 0.3%2026-05-26
Medium vulnerability · 2025-12-10
CWE-79
Medium · CVSS 5.1
EPSS 0.4%2025-12-10
Medium vulnerability · 2023-05-31
CWE-79
Medium · CVSS 6.1
EPSS 0.7%2023-05-31

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Frequently asked questions

Common questions about xyproto vulnerabilities.

How many CVEs does xyproto have?: xyproto has 9 published CVE records since 2023, including 8 in the last two years.
How many xyproto CVEs are in CISA KEV?: None of xyproto's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which xyproto products have the most CVEs?: The xyproto products with the most published CVEs are algernon, github.com/xyproto/algernon.
What are the most common weakness types in xyproto CVEs?: xyproto's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-20 (Improper Input Validation), CWE-209 (Generation of Error Message Containing Sensitive Information), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')).
Are there public exploits for xyproto vulnerabilities?: Yes — 6 of xyproto's CVEs have a known public exploit.
How many critical xyproto vulnerabilities are there?: xyproto has 1 critical and 4 high-severity CVEs.
What is the average severity of xyproto CVEs?: The average CVSS base score across xyproto's scored CVEs is 6.8.

References

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

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