ByteOS Network

CVE Vulnerability Details :

CVE-2026-3784

PUBLISHED

More Info Official Page

Assigner-curl

Assigner Org ID-2499f714-1537-4658-8207-48ae4bb9eae9

Published At-11 Mar, 2026 | 10:09

Updated At-11 Mar, 2026 | 15:48

▼CVE Numbering Authority (CNA)

wrong proxy connection reuse with credentials

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.

Affected Products

Vendor

CURL

Product

curl

Default Status

unaffected

Versions

Affected

From 8.18.0 through 8.18.0 (semver)
From 8.17.0 through 8.17.0 (semver)
From 8.16.0 through 8.16.0 (semver)
From 8.15.0 through 8.15.0 (semver)
From 8.14.1 through 8.14.1 (semver)
From 8.14.0 through 8.14.0 (semver)
From 8.13.0 through 8.13.0 (semver)
From 8.12.1 through 8.12.1 (semver)
From 8.12.0 through 8.12.0 (semver)
From 8.11.1 through 8.11.1 (semver)
From 8.11.0 through 8.11.0 (semver)
From 8.10.1 through 8.10.1 (semver)
From 8.10.0 through 8.10.0 (semver)
From 8.9.1 through 8.9.1 (semver)
From 8.9.0 through 8.9.0 (semver)
From 8.8.0 through 8.8.0 (semver)
From 8.7.1 through 8.7.1 (semver)
From 8.7.0 through 8.7.0 (semver)
From 8.6.0 through 8.6.0 (semver)
From 8.5.0 through 8.5.0 (semver)
From 8.4.0 through 8.4.0 (semver)
From 8.3.0 through 8.3.0 (semver)
From 8.2.1 through 8.2.1 (semver)
From 8.2.0 through 8.2.0 (semver)
From 8.1.2 through 8.1.2 (semver)
From 8.1.1 through 8.1.1 (semver)
From 8.1.0 through 8.1.0 (semver)
From 8.0.1 through 8.0.1 (semver)
From 8.0.0 through 8.0.0 (semver)
From 7.88.1 through 7.88.1 (semver)
From 7.88.0 through 7.88.0 (semver)
From 7.87.0 through 7.87.0 (semver)
From 7.86.0 through 7.86.0 (semver)
From 7.85.0 through 7.85.0 (semver)
From 7.84.0 through 7.84.0 (semver)
From 7.83.1 through 7.83.1 (semver)
From 7.83.0 through 7.83.0 (semver)
From 7.82.0 through 7.82.0 (semver)
From 7.81.0 through 7.81.0 (semver)
From 7.80.0 through 7.80.0 (semver)
From 7.79.1 through 7.79.1 (semver)
From 7.79.0 through 7.79.0 (semver)
From 7.78.0 through 7.78.0 (semver)
From 7.77.0 through 7.77.0 (semver)
From 7.76.1 through 7.76.1 (semver)
From 7.76.0 through 7.76.0 (semver)
From 7.75.0 through 7.75.0 (semver)
From 7.74.0 through 7.74.0 (semver)
From 7.73.0 through 7.73.0 (semver)
From 7.72.0 through 7.72.0 (semver)
From 7.71.1 through 7.71.1 (semver)
From 7.71.0 through 7.71.0 (semver)
From 7.70.0 through 7.70.0 (semver)
From 7.69.1 through 7.69.1 (semver)
From 7.69.0 through 7.69.0 (semver)
From 7.68.0 through 7.68.0 (semver)
From 7.67.0 through 7.67.0 (semver)
From 7.66.0 through 7.66.0 (semver)
From 7.65.3 through 7.65.3 (semver)
From 7.65.2 through 7.65.2 (semver)
From 7.65.1 through 7.65.1 (semver)
From 7.65.0 through 7.65.0 (semver)
From 7.64.1 through 7.64.1 (semver)
From 7.64.0 through 7.64.0 (semver)
From 7.63.0 through 7.63.0 (semver)
From 7.62.0 through 7.62.0 (semver)
From 7.61.1 through 7.61.1 (semver)
From 7.61.0 through 7.61.0 (semver)
From 7.60.0 through 7.60.0 (semver)
From 7.59.0 through 7.59.0 (semver)
From 7.58.0 through 7.58.0 (semver)
From 7.57.0 through 7.57.0 (semver)
From 7.56.1 through 7.56.1 (semver)
From 7.56.0 through 7.56.0 (semver)
From 7.55.1 through 7.55.1 (semver)
From 7.55.0 through 7.55.0 (semver)
From 7.54.1 through 7.54.1 (semver)
From 7.54.0 through 7.54.0 (semver)
From 7.53.1 through 7.53.1 (semver)
From 7.53.0 through 7.53.0 (semver)
From 7.52.1 through 7.52.1 (semver)
From 7.52.0 through 7.52.0 (semver)
From 7.51.0 through 7.51.0 (semver)
From 7.50.3 through 7.50.3 (semver)
From 7.50.2 through 7.50.2 (semver)
From 7.50.1 through 7.50.1 (semver)
From 7.50.0 through 7.50.0 (semver)
From 7.49.1 through 7.49.1 (semver)
From 7.49.0 through 7.49.0 (semver)
From 7.48.0 through 7.48.0 (semver)
From 7.47.1 through 7.47.1 (semver)
From 7.47.0 through 7.47.0 (semver)
From 7.46.0 through 7.46.0 (semver)
From 7.45.0 through 7.45.0 (semver)
From 7.44.0 through 7.44.0 (semver)
From 7.43.0 through 7.43.0 (semver)
From 7.42.1 through 7.42.1 (semver)
From 7.42.0 through 7.42.0 (semver)
From 7.41.0 through 7.41.0 (semver)
From 7.40.0 through 7.40.0 (semver)
From 7.39.0 through 7.39.0 (semver)
From 7.38.0 through 7.38.0 (semver)
From 7.37.1 through 7.37.1 (semver)
From 7.37.0 through 7.37.0 (semver)
From 7.36.0 through 7.36.0 (semver)
From 7.35.0 through 7.35.0 (semver)
From 7.34.0 through 7.34.0 (semver)
From 7.33.0 through 7.33.0 (semver)
From 7.32.0 through 7.32.0 (semver)
From 7.31.0 through 7.31.0 (semver)
From 7.30.0 through 7.30.0 (semver)
From 7.29.0 through 7.29.0 (semver)
From 7.28.1 through 7.28.1 (semver)
From 7.28.0 through 7.28.0 (semver)
From 7.27.0 through 7.27.0 (semver)
From 7.26.0 through 7.26.0 (semver)
From 7.25.0 through 7.25.0 (semver)
From 7.24.0 through 7.24.0 (semver)
From 7.23.1 through 7.23.1 (semver)
From 7.23.0 through 7.23.0 (semver)
From 7.22.0 through 7.22.0 (semver)
From 7.21.7 through 7.21.7 (semver)
From 7.21.6 through 7.21.6 (semver)
From 7.21.5 through 7.21.5 (semver)
From 7.21.4 through 7.21.4 (semver)
From 7.21.3 through 7.21.3 (semver)
From 7.21.2 through 7.21.2 (semver)
From 7.21.1 through 7.21.1 (semver)
From 7.21.0 through 7.21.0 (semver)
From 7.20.1 through 7.20.1 (semver)
From 7.20.0 through 7.20.0 (semver)
From 7.19.7 through 7.19.7 (semver)
From 7.19.6 through 7.19.6 (semver)
From 7.19.5 through 7.19.5 (semver)
From 7.19.4 through 7.19.4 (semver)
From 7.19.3 through 7.19.3 (semver)
From 7.19.2 through 7.19.2 (semver)
From 7.19.1 through 7.19.1 (semver)
From 7.19.0 through 7.19.0 (semver)
From 7.18.2 through 7.18.2 (semver)
From 7.18.1 through 7.18.1 (semver)
From 7.18.0 through 7.18.0 (semver)
From 7.17.1 through 7.17.1 (semver)
From 7.17.0 through 7.17.0 (semver)
From 7.16.4 through 7.16.4 (semver)
From 7.16.3 through 7.16.3 (semver)
From 7.16.2 through 7.16.2 (semver)
From 7.16.1 through 7.16.1 (semver)
From 7.16.0 through 7.16.0 (semver)
From 7.15.5 through 7.15.5 (semver)
From 7.15.4 through 7.15.4 (semver)
From 7.15.3 through 7.15.3 (semver)
From 7.15.2 through 7.15.2 (semver)
From 7.15.1 through 7.15.1 (semver)
From 7.15.0 through 7.15.0 (semver)
From 7.14.1 through 7.14.1 (semver)
From 7.14.0 through 7.14.0 (semver)
From 7.13.2 through 7.13.2 (semver)
From 7.13.1 through 7.13.1 (semver)
From 7.13.0 through 7.13.0 (semver)
From 7.12.3 through 7.12.3 (semver)
From 7.12.2 through 7.12.2 (semver)
From 7.12.1 through 7.12.1 (semver)
From 7.12.0 through 7.12.0 (semver)
From 7.11.2 through 7.11.2 (semver)
From 7.11.1 through 7.11.1 (semver)
From 7.11.0 through 7.11.0 (semver)
From 7.10.8 through 7.10.8 (semver)
From 7.10.7 through 7.10.7 (semver)
From 7.10.6 through 7.10.6 (semver)
From 7.10.5 through 7.10.5 (semver)
From 7.10.4 through 7.10.4 (semver)
From 7.10.3 through 7.10.3 (semver)
From 7.10.2 through 7.10.2 (semver)
From 7.10.1 through 7.10.1 (semver)
From 7.10 through 7.10 (semver)
From 7.9.8 through 7.9.8 (semver)
From 7.9.7 through 7.9.7 (semver)
From 7.9.6 through 7.9.6 (semver)
From 7.9.5 through 7.9.5 (semver)
From 7.9.4 through 7.9.4 (semver)
From 7.9.3 through 7.9.3 (semver)
From 7.9.2 through 7.9.2 (semver)
From 7.9.1 through 7.9.1 (semver)
From 7.9 through 7.9 (semver)
From 7.8.1 through 7.8.1 (semver)
From 7.8 through 7.8 (semver)
From 7.7.3 through 7.7.3 (semver)
From 7.7.2 through 7.7.2 (semver)
From 7.7.1 through 7.7.1 (semver)
From 7.7 through 7.7 (semver)

Problem Types

Type	CWE ID	Description
N/A	N/A	CWE-305 Authentication Bypass by Primary Weakness

Type: N/A

CWE ID: N/A

Description: CWE-305 Authentication Bypass by Primary Weakness

Credits

finder

Muhamad Arga Reksapati (HackerOne: nobcoder)

remediation developer

Stefan Eissing

References

Hyperlink	Resource
https://curl.se/docs/CVE-2026-3784.json	N/A
https://curl.se/docs/CVE-2026-3784.html	N/A
https://hackerone.com/reports/3584903	N/A

Hyperlink: https://curl.se/docs/CVE-2026-3784.json

Resource: N/A

Hyperlink: https://curl.se/docs/CVE-2026-3784.html

Resource: N/A

Hyperlink: https://hackerone.com/reports/3584903

Resource: N/A

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
http://www.openwall.com/lists/oss-security/2026/03/11/3	N/A

Hyperlink: http://www.openwall.com/lists/oss-security/2026/03/11/3

Resource: N/A

2. CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-305	CWE-305 Authentication Bypass by Primary Weakness

Type: CWE

CWE ID: CWE-305

Description: CWE-305 Authentication Bypass by Primary Weakness

Metrics

Version	Base score	Base severity	Vector
3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References