CVE-2026-105766 Chainguard Academy (edu) Nginx directory redirect downgrades HTTPS requests to HTTP

Use of the backend-facing $scheme variable in the trailing-slash directory redirect in nginx.conf of Chainguard Academy edu from commit 0b75ff98057f69b044a3e7194e428066ac5ad0d4 before commit 93dc0e50739c225f5aee2e803800a47fc0feb906 allows an on-path network attacker to read or modify documentatio...

CVE-2026-105766

The Chainguard Academy (edu) website is vulnerable to an HTTPS to HTTP downgrade attack due to the use of the backend-facing $scheme variable in the nginx.conf trailing-slash directory redirect. This issue exists in versions from commit 0b75ff98057f69b044a3e7194e428066ac5ad0d4 before commit 93dc0...

BIT-RCLONE-2026-79780 rclone before v1.75.0 Credential Exposure via S3 Redirect

rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host changes. Attackers observing network traffic from a trusted endpoint can capture reusable IBM IAM tokens on same-host...

CVE-2026-69212: Exposure of Sensitive Information to an Unauthorized Actor

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The FollowRedirect client middleware strips Authorization and Cookie headers only when a redirect changes authority, but authority comparison excludes the URI scheme. A same-authority redirect from HTTPS to HTTP...

python: Python: Information disclosure due to incorrect URL scheme matching

A flaw was found in Python. The HTTPPasswordMgr class in the urllib.request module did not correctly consider the URL scheme when matching stored credentials against a requested URL. This allowed credentials intended for an HTTPS secure connection to be sent over an unencrypted HTTP connection to...

SUSE CVE-2026-79780

rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host changes. Attackers observing network traffic from a trusted endpoint can capture reusable IBM IAM tokens on same-host...

CVE-2026-79782

rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers...

CVE-2026-79780: Exposure of Sensitive Information to an Unauthorized Actor

rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host changes. Attackers observing network traffic from a trusted endpoint can capture reusable IBM IAM tokens on same-host...

PSF-2026-36

The HTTPPasswordMgr class in the urllib.request module, along with its subclasses HTTPPasswordMgrWithDefaultRealm and HTTPPasswordMgrWithPriorAuth, did not take the URL scheme into account when matching stored credentials against a requested URL. Credentials added for an https:// URL were also us...

CVE-2026-71554

h2 is a pure-Python implementation of a HTTP/2 protocol stack. Versions up to and including 4.4.0 accept request header blocks containing more than one Host header, and forward every Host header to the consuming application. Where the consumer downgrades HTTP/2 to HTTP/1.1, the resulting request...

PT-2026-68817

Name of the Vulnerable Software and Affected Versions h2 versions prior to 4.4.1 Description The software accepts request header blocks containing multiple Host headers and forwards all of them to the consuming application. When the consumer downgrades the connection from HTTP/2 to HTTP/1.1, the...

OPENSUSE-SU-2026:21529-1 Security update for perl-HTTP-Tiny

This update for perl-HTTP-Tiny fixes the following issues: Changes in perl-HTTP-Tiny: - updated to 0.096 - CVE-2026-7017: Fixed forwarded credential headers to cross-origin redirect targets bsc1271020 - Caller-supplied Authorization, Cookie, and Proxy-Authorization headers are now stripped on...

CVE-2026-48022

@hapi/wreck is an HTTP client utility. Prior to 18.1.2, Wreck strips credential headers including Authorization, Cookie, and Proxy-Authorization before following a cross-origin redirect, but the origin check compares hostnames only and ignores scheme and port, so credentials are forwarded intact...

DEBIAN-CVE-2026-48978

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as...

CVE-2026-48978

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as...

CVE-2026-48978 oras-go: Malicious registry can hijack Bearer token realm to exfiltrate credentials and refresh tokens

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as...

CVE-2026-48978

The CVE-2026-48978 issue affects the oras-go library prior to 2.6.1, where auth.Client can follow the registry’s Bearer challenge realm without validating the scheme/host. This enables a malicious or compromised registry to trigger SSRF to internal networks (e.g., 169.254.169.254, 10.0.0.x, 127.0...

CVE-2026-48022: Cleartext Transmission of Sensitive Information

@hapi/wreck is an HTTP client utility. Prior to 18.1.2, Wreck strips credential headers including Authorization, Cookie, and Proxy-Authorization before following a cross-origin redirect, but the origin check compares hostnames only and ignores scheme and port, so credentials are forwarded intact...

CVE-2026-35145

HCL DFXAnalytics is affected by a Missing HTTP Strict-Transport-Security Header vulnerability. The application fails to implement the HTTP Strict Transport Security HSTS policy within its responses, which could allow a remote attacker to downgrade the communication channel to an unencrypted...

EUVD-2026-44920

HCL DFXAnalytics is affected by a Missing HTTP Strict-Transport-Security Header vulnerability. The application fails to implement the HTTP Strict Transport Security HSTS policy within its responses, which could allow a remote attacker to downgrade the communication channel to an unencrypted...