---
schema_version: '1.0'
id: security-20260705-943a84
url: https://osv.dev/vulnerability/CURL-CVE-2026-6429
url_hash: 943a84d95a37d69b2f9c08d2466a65f3ad8e2854c5b5ae7621e9cd2b343ec3a2
canonical_url: https://osv.dev/vulnerability/CURL-CVE-2026-6429
source: osv:osv
category: security/library
category_raw: cve/library
region: null
tags:
- cve
- CVE-2026-6429
- CURL-CVE-2026-6429
- severity:Medium
- https://github.com/curl/curl
- GIT
lang: en
published_at: '2026-04-29T08:00:00Z'
fetched_at: '2026-07-05T15:34:34Z'
updated_at: '2026-07-05T15:37:46Z'
status: published
content_hash: aa5566b25cafc972b2e73a558fb5184003569029277b00085ae67b635a15a830
license_note: full
summary: netrc credential leak with reused proxy connection
summary_source: rss
summary_en: netrc credential leak with reused proxy connection
entities:
- name: GitHub
  type: organization
- name: earlyappleleaks
  type: person
- name: converge with
  type: UNKNOWN
key_facts: []
related: []
related_auto:
- name: Anonymous
  type: organization
  weight: 1.0
- name: AirPods
  type: artifact
  weight: 1.0
- name: Claude Code
  type: artifact
  weight: 1.0
- name: セッション漏洩
  type: event
  weight: 1.0
- name: local-llm
  type: content
  weight: 1.0
title: 'CVE-2026-6429: netrc credential leak with reused proxy connection'
---

# CVE-2026-6429: netrc credential leak with reused proxy connection

## TL;DR
netrc credential leak with reused proxy connection

## Key Points
- cve / CVE-2026-6429 / CURL-CVE-2026-6429 / severity:Medium / https://github.com/curl/curl / GIT

## Details
**Severity:** Medium
**Advisory:** CURL-CVE-2026-6429 (CVE-2026-6429)

**Affected (your watchlist):**
- `GIT:https://github.com/curl/curl` curl-8_9_1 → no fixed version listed [mac]

**Details:**
When asked to both use a `.netrc` file for credentials and to follow HTTP
redirects, libcurl could leak the password used for the first host to the
followed-to host under certain circumstances.

_Data: OSV.dev (upstream: osv) — https://osv.dev/vulnerability/CURL-CVE-2026-6429_

## Source
元記事: [CVE-2026-6429: netrc credential leak with reused proxy connection](https://osv.dev/vulnerability/CURL-CVE-2026-6429) — published 2026-04-29T08:00:00Z