Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Summary There is a critical vulnerability in Traefik's default HTTP reverse proxy that leads to unauthenticated cross-user response poisoning. When a client opens an HTTP/2 or HTTP/3 CONNECT request, Traefik forwards it — body included — to an HTTP/1.1 upstream over a shared net/http.Transport. I...

GHSA-3CCP-42PG-HGV6 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Summary There is a critical vulnerability in Traefik's default HTTP reverse proxy that leads to unauthenticated cross-user response poisoning. When a client opens an HTTP/2 or HTTP/3 CONNECT request, Traefik forwards it — body included — to an HTTP/1.1 upstream over a shared net/http.Transport. I...

CVE-2026-71324 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...

CVE-2026-71324 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...

EUVD-2026-54288

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.53, 3.6.24, and 3.7.9, Traefik's default HTTP reverse proxy forwards a plain HTTP/2 or HTTP/3 CONNECT request and its body to an HTTP/1.1 upstream through a shared net/http.Transport. When the upstream answers the CONNE...

CVE-2026-71324

CVE-2026-71324 (Traefik) : Unauthenticated cross-user response poisoning via proxied CONNECT on Traefik’s shared backend keep-alive pool. Traefik forwards HTTP/2/HTTP/3 CONNECT and its body to an HTTP/1.1 upstream through a shared net/http.Transport. If the upstream returns a keep-alive non-2xx a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: skbuff: Fixed an issue where a missing zerocopy reference was present in the pskbcarve helpers. Both pskbcarveinsideheader and pskbcarveinsidenonlinear copy the old skbsharedinfo header into a new buffer using memcpy. Thi...

CVE-2026-64566

A flaw was found in the Linux kernel's iptfs module, which handles network packet processing. When copying shared packet fragments, a critical flag indicating shared memory is not correctly propagated. This can lead to memory corruption within the kernel, potentially causing the system to crash a...

CVE-2026-64591 iommu/vt-d: Avoid WARNING in sva unbind path

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 "iommu/vt-d: Only handle IOPF for SVA when PRI is supported" modified the SVA bind...

CVE-2026-64583

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: bdc: free IRQ and drain funcwakenotify before teardown The Broadcom BDC UDC driver registers its IRQ handler with devmrequestirq in bdcudcinit, so the IRQ is released by devm only after bdcremove returns. devm...

Information Disclosure

undici is vulnerable to Sensitive Information Exposure. The vulnerability is due to improper parsing of whitespace around qualified Cache-Control directives, causing authenticated responses to be incorrectly stored in shared caches and potentially served to unauthorized users...

SUSE CVE-2026-64566

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: propagate SKBFLSHAREDFRAG in iptfsskbaddfrags When iptfsskbaddfrags copies frag references from the source frag walk into a new SKB, it increments the page reference count via skbfragref but does not propagate...

The vulnerability of the __get_sregs2() function in the arch/x86/kvm/x86.c module of the virtualization subsystem on the x86 kernel of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the getsregs2 function in the arch/x86/kvm/x86.c module of the virtualization subsystem on the x86 kernel of the Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2889)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfnCVE-2026-31586 e1000/e1000e: Fix leak in DMA error cleanupCVE-2026-43445 futex: Clear stale...

CVE-2026-10547

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/flowid/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized...

CVE-2026-10547

Summary (concrete details available) Langflow OSS versions 1.0.0–1.10.3 are affected by an ownership validation flaw in the deprecated POST /api/v1/build/{flow_id}/vertices endpoint. An authenticated user can inject arbitrary graph data into a shared cache for any flow, enabling cross-user cache ...

CVE-2026-18927

A vulnerability was determined in imranrisal-dev Student-Management-System 18ea7904c339e0c7b0234724a79c939ce6191def/a8d43a29aaf267e7ca97171d6dbb44057bcd7f8c. This affects the function storeProfileImage of the file studentprofilepic.php of the component Shared Upload Helper. Executing a manipulati...

EUVD-2026-53470

A vulnerability was determined in imranrisal-dev Student-Management-System 18ea7904c339e0c7b0234724a79c939ce6191def/a8d43a29aaf267e7ca97171d6dbb44057bcd7f8c. This affects the function storeProfileImage of the file studentprofilepic.php of the component Shared Upload Helper. Executing a manipulati...

CVE-2026-18927

CVE-2026-18927 affects imranrisal-dev Student-Management-System, specifically the Shared Upload Helper’s file student_profile_pic.php function storeProfileImage. An attacker can manipulate the argument choose_file to achieve unrestricted file upload, with the attack executable remotely. The explo...

NPM: Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size

NPM: Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size vulnerability discovered by ? in WordPress Npm electron versions 39.8.10...