CVE-2026-85751

Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXYAUTHWHITELIST configured but REALIPHEADER unset trusted a client-controlled X-Forwarded-By header for header-based proxy authentication. The...

Important: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

curl: Information disclosure due to uncleared proxy authentication state

A flaw was found in libcurl. When reusing a libcurl handle for sequential transfers with environment-variable proxy configuration, the library does not properly clear the proxy authentication state. This oversight can lead to the unintended disclosure of Proxy-Authorization headers to an incorrec...

CVE-2026-85751 Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust

Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXYAUTHWHITELIST configured but REALIPHEADER unset trusted a client-controlled X-Forwarded-By header for header-based proxy authentication. The...

CVE-2026-85751 Mailu: Authentication bypass in header-based proxy authentication via spoofable `X-Forwarded-By` trust

Mailu is a mail server distributed as a set of Docker images. From Mailu 2.0 until 2024.06.55 and prior to Mailu helm-charts 2.7.3, deployments with PROXYAUTHWHITELIST configured but REALIPHEADER unset trusted a client-controlled X-Forwarded-By header for header-based proxy authentication. The...

CVE-2026-94301

The fix for CVE-2026-47065/ZDRES-232 "resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy", released on 2026-06-02 and announced as "Fully addressed" in MINA 2.2.8, 2.1.13 and 2.0.29, was committed to the 2.2.X branch only. The 2.0.X and 2.1.X maintenance...

CVE-2026-88044

A flaw was found in rclone, a command-line program for syncing files with cloud storage providers. The serve/start RC interface, specifically within the FTP and S3 services, incorrectly handles authentication proxy settings. This can allow a remote attacker to bypass intended authentication,...

CVE-2026-88018

A flaw was found in rclone. When the rclone serve s3 command is configured with --auth-proxy but without --auth-key, an unauthenticated network attacker can bypass the SigV4 signature verification process. This allows the attacker to use an arbitrary access key and sign requests with an empty...

io.netty/netty-codec-haproxy: Netty codec-haproxy: Denial of Service via crafted PROXY protocol v2 message

A flaw was found in Netty's codec-haproxy module. A remote attacker could exploit a vulnerability in the HAProxyMessageDecoder by sending a specially crafted PROXY protocol v2 message. This leads to unbounded buffer accumulation, causing a denial of service DoS due to memory exhaustion...

node9-proxy v2.16.2

🛡️ node9 Access control for AI agents Your AI agents can reach Slack, GitHub, email, and your database. node9 decides what they may do with each one. Credential jail · secrets and PII · destructive git, SQL and shell held for review · MCP tool pinning · network egress allowlist · loop breaker · on...

Security Bulletin: IBM InfoSphere Optim Archive Viewer is affected by multiple vulnerabilities in axios (CVE-2026-44486, CVE-2026-44487)

Summary Multiple proxy credential leakage vulnerabilities in the axios HTTP client library CVE-2026-44486, CVE-2026-44487 used by IBM InfoSphere Optim Archive Viewer have been addressed by upgrading the component to version 1.18.0. Vulnerability Details CVEID:CVE-2026-44486 DESCRIPTION: Axios is ...

libcurl: libcurl: Information disclosure due to failure to clear proxy authentication credentials

A flaw was found in curl. When libcurl is instructed to clear proxy authentication credentials, it fails to do so, leaving the old credentials available. This could lead to the unintended reuse of sensitive proxy authentication credentials for subsequent network transfers, potentially resulting i...

PT-2026-96149

Name of the Vulnerable Software and Affected Versions Fabio versions 1.6.6 through 1.7.1 Description An issue exists in the way the router handles HTTP headers. In the proxy/http headers.go file, the protectHeaders function uses a hardcoded set of forwarded headers but fails to include...

PT-2026-96281

Name of the Vulnerable Software and Affected Versions Joplin versions prior to 3.7.7 Description In Joplin Server instances where TRANSCRIBE ENABLED is set to true, the handlers for the endpoints "/api/transcribe/:id" GET and POST pass the decoded id directly into transcription backend URLs. An...

PT-2026-96161

Name of the Vulnerable Software and Affected Versions Tinyauth versions prior to 5.1.2 Description Tinyauth performs case-sensitive comparisons of forwarded hostnames, whereas reverse proxies typically route equivalent hostnames case-insensitively. This discrepancy allows an authenticated user wi...

CVE-2026-73549: Improper Check for Unusual or Exceptional Conditions

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses through addressAsString and Ipv6Instance. The string...

Important: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: libcurl: Unauthorized connection reuse due to a logical error CVE-2026-8458 curl: Information disclosure due to...

PT-2026-96145

Name of the Vulnerable Software and Affected Versions Mailu versions 2.0 through 2024.06.54 Mailu helm-charts versions prior to 2.7.3 Description Deployments configured with PROXY AUTH WHITELIST but without REAL IP HEADER set trust a client-controlled X-Forwarded-By header for proxy authenticatio...

curl security update

7.76.1-40.el98.7 - add sasl service name to connection reuse checks CVE-2026-8458 7.76.1-40.el98.6 - detect proxy changes read from environment CVE-2026-8927...

TencentOS Server 2: freerdp (TSSA-2026:1042)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1042 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities...