token leak with redirect and netrc

When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with eithe...

PT-2026-24663

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under certain circumstances...

curl -- Multiple vulnerabilties

The curl project reports: use after free in SMB connection reuse wrong proxy connection reuse with credentials token leak with redirect and netrc bad reuse of HTTP Negotiate connection...

CVE-2026-3783: Insufficiently Protected Credentials

When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with eithe...

Mageia: Security Advisory (MGASA-2026-0054)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux Distros Unpatched Vulnerability : CVE-2026-3783

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second...

Updated yt-dlp packages fix security vulnerability

When yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL...

MGASA-2026-0054 Updated yt-dlp packages fix security vulnerability

When yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL...

PT-2026-24643

When yt-dlp's --netrc-cmd command-line option or netrc cmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL...

curl: CVE-2026-3783: token leak with redirect and netrc

Summary When --oauth2-bearer is used with --netrc and curl follows a redirect, the bearer token leaks to the redirect target. The netrc bypass at http.c:822 skips Curlauthallowedtohost, allowing the token through. This is an incomplete fix for CVE-2025-14524 — the Dec 2025 SASL fix patched...

Requests Vulnerable to Information Disclosure via '.netrc' Credentials Leak in 'get_netrc_auth()' Function

Requests is vulnerable to leakage of .netrc credentials due to a URL parsing issue. An attacker could exploit this by supplying a maliciously-crafted URL to a victim, which could result in loss of said credentials and can be potentially used for accessing remote servers...

SUSE CVE-2026-26331

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

Linux Distros Unpatched Vulnerability : CVE-2026-26331

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option o...

CVE-2026-26331

A flaw was found in yt-dlp, a command-line audio/video downloader. When the --netrc-cmd command-line option is enabled, a remote attacker can exploit a maliciously crafted URL to achieve arbitrary command injection. This allows the attacker to execute unauthorized commands on the user's system,...

CVE-2026-26331

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

DEBIAN-CVE-2026-26331

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

UBUNTU-CVE-2026-26331

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

EUVD-2026-7408

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

CVE-2026-26331 yt-dlp: Arbitrary Command Injection when using the `--netrc-cmd` option

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...

CVE-2026-26331

yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously...