CVE-2026-47778

A flaw was found in Envoy, an open-source edge and service proxy. A remote attacker could exploit a structural flaw in the DefaultCertValidator::verifySubjectAltName function by presenting a specially crafted certificate. This certificate would contain a NUL byte within its DNS Subject Alternativ...

GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward

Summary The BalancerForward proxy helper in GoFiber uses Header.Add instead of Header.Set when injecting the X-Real-IP header. This appends the real client IP as a second header value rather than replacing any attacker-supplied value. Upstream servers that read the first X-Real-IP header nginx,...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the BalancerForward process. An attacker can manipulate upstream IP-based logic, such as rate limiting, access control, and audit logging, by injecting a spoofed X-Real-IP header value in requests. Remediation The...

PT-2026-55275

Name of the Vulnerable Software and Affected Versions Fiber versions prior to 3.3.0 Fiber versions prior to 2.52.14 Description The BalancerForward proxy helper in middleware/proxy/proxy.go uses the Header.Add function instead of Header.Set when injecting the X-Real-IP header. This behavior appen...

Fedora 43 : thunderbird (2026-2fb5ca48a2)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2fb5ca48a2 advisory. Update to latest upstream version ---- Update to latest upstream version. Tenable has extracted the preceding description block directly from the...

BIT-ENVOY-2026-48743 Envoy: HTTP/3 to HTTP/1 request smuggling via headers-only request with nonzero Content-Length

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, Envoy can translate a downstream HTTP/3 request that is complete at the transport layer HEADERS with FIN / headers-only close but still carries a nonzero...

CVE-2026-10140 Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem

IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across tenant boundaries. An authenticated attacker can manipulate cache state to cause requests from other users to be processed using incorrect upstream API credentials,...

PYSEC-2026-388 LiteLLM: Authentication Bypass via Host Header Injection

Impact A Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from request.url.path in litellm/proxy/auth/authutils.py::getrequestroute, which Starlette reconstructs...

CVE-2026-13025

An insufficient validation of untrusted input flaw was found in the DevTools component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=518043569...

BIT-ENVOY-2026-47692 Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application stream

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, PROXY Protocol v2 header generator emits TLVs beyond the maximum length of 65535 bytes, causing a mismatch between bytes written and the length field in th...

CVE-2026-13282

An use after free flaw was found in the Payments component of the Chromium browser. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=517522620...

kernel security update

5.14.0-687.17.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

Fedora 45 : containerd (2026-dc2cbc1bc8)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-dc2cbc1bc8 advisory. Automatic update for containerd-2.3.2-1.fc45. Changelog Fri Jun 26 2026 Bradley G Smith - 2.3.2-1 - Update to release v2.3.2 - Resolves: rhbz2464270...

Fedora 44 : moby-engine (2026-d8e03bae55)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d8e03bae55 advisory. - Update to release v29.6.0 - Resolves: rhbz2490590 - Resolves CVE-2026-39828: rhbz2489945 - Resolves CVE-2026-39829: rhbz2490099 - Resolves...

Linux Distros Unpatched Vulnerability : CVE-2026-53232

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: phy: clean the sfp upstream if phy probing fails Sashiko reported that we don't call sfpbusdelupstream in the probe failure path, so let's add it, otherwis...

CVE-2026-48743

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, Envoy can translate a downstream HTTP/3 request that is complete at the transport layer HEADERS with FIN / headers-only close but still carries a nonzero...

CVE-2026-47692

Envoy vulnerability CVE-2026-47692: PROXY Protocol v2 header generator can emit TLVs beyond the maximum 65535-byte length, causing a mismatch between bytes written and the length field and potentially smuggling bytes upstream. Affected versions: 1.34.0 through 1.35.13, 1.36.9, 1.37.5, and 1.38.3....

CVE-2026-47692 Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application stream

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, PROXY Protocol v2 header generator emits TLVs beyond the maximum length of 65535 bytes, causing a mismatch between bytes written and the length field in th...

CVE-2026-48743

Envoy (open source edge/service proxy) contains a HTTP/3 to HTTP/1 request smuggling vulnerability prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1. A downstream HTTP/3 request that is complete at the transport layer with a nonzero Content-Length can be mistranslated into a complete upstream...

CVE-2026-48743

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, Envoy can translate a downstream HTTP/3 request that is complete at the transport layer HEADERS with FIN / headers-only close but still carries a nonzero...