CVE-2026-9079 - Vulnerability Details - OpenCVE

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Curl	Curl

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Curl	Curl

References

Link	Providers
https://curl.se/docs/CVE-2026-9079.html
https://curl.se/docs/CVE-2026-9079.json
https://hackerone.com/reports/3750295

History

Fri, 03 Jul 2026 08:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Curl Curl curl
Vendors & Products		Curl Curl curl

Fri, 03 Jul 2026 06:45:00 +0000

Type	Values Removed	Values Added
Description		libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
Title		stale proxy password leak
References		https://curl.se/docs/CVE-2026-9079.html https://curl.se/docs/CVE-2026-9079.json https://hackerone.com/reports/3750295

MITRE

Status: PUBLISHED

Assigner: curl

Published: 2026-07-03T06:16:51.127Z

Updated: 2026-07-03T06:16:51.127Z

Reserved: 2026-05-20T12:59:41.444Z

Link: CVE-2026-9079

Vulnrichment

No data.

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-03T07:45:03Z

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