rclone: RC per-server auth-proxy bypass

Summary serve/start accepts protocol options in a per-server proxyOpt object. The FTP and S3 RC adapters parse that object and pass it to their server constructors, but the constructors decide whether proxy authentication is enabled by checking the process-global proxy.Opt.AuthProxy instead of th...

DEBIAN-CVE-2026-88018

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, rclone serve s3 configured with --auth-proxy but without --auth-key allows authPairMiddleware to register any client-chosen accessKeyID with an empty ws.s3Secret. gofakes...

CVE-2026-79787

Alluxio's S3 REST proxy fails to verify AWS Signature Version 4 signatures in its default configuration, allowing unauthenticated attackers to spoof user identity. Attackers can extract usernames from unsigned Authorization headers and impersonate any user, including service accounts, to read,...

CVE-2026-79787 Alluxio through 2.9.5 S3 REST Proxy Authentication Bypass via Unverified Request Signature

Alluxio's S3 REST proxy fails to verify AWS Signature Version 4 signatures in its default configuration, allowing unauthenticated attackers to spoof user identity. Attackers can extract usernames from unsigned Authorization headers and impersonate any user, including service accounts, to read,...

PT-2026-81482

Name of the Vulnerable Software and Affected Versions Alluxio affected versions not specified Description The S3 REST proxy fails to verify AWS Signature Version 4 signatures when using the default configuration. This allows unauthenticated attackers to spoof user identity by extracting usernames...

CVE-2026-42882

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882 oxyno-zeta/s3-proxy: Security Issues in Resource Path Matching

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882 oxyno-zeta/s3-proxy: Security Issues in Resource Path Matching

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882

CVE-2026-42882 affects oxyno-zeta/s3-proxy (Go). Prior to version 5.0.0, an authentication bypass arises from a mismatch between the auth middleware and bucket handler when parsing resource paths. The auth layer uses the percent-encoded request URI (r.URL.RequestURI()) while the bucket handler bu...

CVE-2026-42882 oxyno-zeta/s3-proxy: Security Issues in Resource Path Matching

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882: Improper Limitation of a Pathname to a Restricted Directory

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via improper handling of resource path matching and authorization checks. An attacker can gain unauthorized access to protected resources or perform unauthorized actions by crafting requests that exploit...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via improper handling of resource path matching and authorization checks. An attacker can gain unauthorized access to protected resources or perform unauthorized actions by crafting requests that exploit...

PT-2026-37288

Name of the Vulnerable Software and Affected Versions s3-proxy versions prior to 0.0.0-20260424211602-1320e4abd46a Description Inconsistent URL path normalization and routing logic lead to authorization bypasses, allowing unauthenticated access to protected objects. The issues stem from a mismatc...

EUVD-2025-4517

Malicious code in bioql PyPI...

GO-2025-3477 S3-Proxy allows Reflected Cross-site Scripting (XSS) in template implementation in github.com/oxyno-zeta/s3-proxy

S3-Proxy allows Reflected Cross-site Scripting XSS in template implementation in github.com/oxyno-zeta/s3-proxy...

Reflected Cross-site Scripting (XSS)

github.com/oxyno-zeta/s3-proxy is vulnerable to Reflected Cross-site Scripting XSS. The vulnerability is due to improper input sanitization in the folder-list template, allowing attackers to inject malicious scripts through the Request.URL.Path variable...

CVE-2025-27088 Reflected Cross-site Scripting (XSS) in template implementation in oxyno-zeta/s3-proxy

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. In affected versions a Reflected Cross-site Scripting XSS vulnerability enables attackers to create malicious URLs that, when visited, inject scripts into the web application. This can lead to session hijacking or phishing attacks on a trusted...

CVE-2025-27088

The CVE-2025-27088 issue affects oxyno-zeta/s3-proxy (Go) and is caused by rendering the Request.URL.Path into HTML in the folder-list template without proper sanitization, enabling reflected XSS via crafted URLs. Public advisories state that affected versions are vulnerable to script injection, ...