CyberSecBulletin

Red Hat vulnerabilities

We track 2,065 vulnerabilities in Red Hat products across 60+ products. 2,057 are rated high or critical, and 99 have been exploited in real attacks. The most recent was published on November 13, 2026.

2,065vulnerabilities
338critical
1,719high
99exploited
8.1average CVSS score

Latest Red Hat vulnerabilities

  • 9.8 Critical severity

    feast: Deserialization of Untrusted Data

    CVE-2026-56121Feast-devEPSS 1.41%

    Feast before 0.63.0 contains an unsafe deserialization vulnerability that allows unauthenticated or unauthorized attackers to achieve remote code execution by sending a crafted gRPC request to the registry server. The user_defined_function.body field of an OnD

  • 8.5 High severity

    Jenkins Script Security Plugin: Improper Neutralization of CRLF Sequences

    CVE-2026-57281Jenkins

    Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script

  • 7.8 High severity

    Linux: Use After Free

    CVE-2026-52943Linux

    In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskb_carve helpers pskb_carve_inside_header() and pskb_carve_inside_nonlinear() both copy the old skb_shared_info header into a new buffer via me

  • 9.8 Critical severity

    Linux: Use After Free

    CVE-2026-52924Linux

    In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctp_stream_update() is only invoked when the association is moved into COOKIE_WAIT during association setup/reconfiguration. In this path, t

  • 7.8 High severity

    Linux: Missing Release of Memory after Effective Lifetime

    CVE-2026-52923Linux

    In the Linux kernel, the following vulnerability has been resolved: ipc: limit next_id allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids->next_id. ipc_idr_alloc() currently forwards that request to

  • 8.1 High severity

    jackson-databind: Incomplete List of Disallowed Inputs

    CVE-2026-54513FasterXMLEPSS 1.23%

    jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray() allowlists any array type based only

  • 7.8 High severity

    Red Hat Satellite 6.18: Improper Authentication

    CVE-2026-12112Red Hat

    A flaw was found in the foreman-mcp-server. A session management vulnerability in the MCP Server allows unauthenticated attackers to hijack active administrative sessions due to an improper cache of authenticated client connections, by trusting a non-secret se

  • 9.6 Critical severity

    Red Hat Ansible Automation Platform 2.5 for…: Missing Authorization

    CVE-2026-11807Red Hat

    A missing authorization vulnerability was found in the Event-Driven Ansible (EDA) websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with a

  • 10.0 Critical severity

    traefik: Authentication Bypass Using an Alternate Path or Channel

    CVE-2026-53622Traefik

    Traefik is an HTTP reverse proxy and load balancer. Versions prior to 3.7.3, 3.6.18, and 2.11.51 have a critical vulnerability in Traefik's HTTP/3 (QUIC) TLS configuration selection that allows unauthenticated clients to bypass router-specific mTLS enforcement

  • 10.0 Critical severity

    traefik: Authentication Bypass Using an Alternate Path or Channel

    CVE-2026-48491Traefik

    Traefik is an HTTP reverse proxy and load balancer. From 3.7.0 until 3.7.3, there is a high severity vulnerability in Traefik's domain-fronting protection (SNICheck) that allows an unauthenticated client to bypass mutual TLS enforced through wildcard router TL

  • 10.0 Critical severity

    traefik: Authentication Bypass Using an Alternate Path or Channel

    CVE-2026-48020Traefik

    Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization.

  • 8.1 High severity

    caddy: Improper Authentication

    CVE-2026-52845Caddyserver

    Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, forward_auth copy_headers deletes the exact client-supplied identity header before copying the trusted value from the auth gateway. But when the request later goes through php_fa

  • 7.5 High severity

    Red Hat Enterprise Linux 7: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-61028Red Hat

    An issue in the time_t_to_dt component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

  • 7.5 High severity

    Red Hat Enterprise Linux 7: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-61023Red Hat

    An issue in the st_compare component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

  • 7.5 High severity

    Red Hat Enterprise Linux 7: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-61020Red Hat

    An issue in the sqlo_strip_in_join component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

  • 7.5 High severity

    Red Hat Enterprise Linux 7: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-61018Red Hat

    An issue in the sqlo_place_dt_set component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

  • 7.5 High severity

    Traefik: Uncontrolled Resource Consumption

    CVE-2023-54365Traefik

    Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation (CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique). A remote attacker c

  • 9.1 Critical severity

    vllm: Inconsistent Interpretation of HTTP Requests

    CVE-2026-48746Vllm-projectEPSS 1.15%

    vLLM is an inference and serving engine for large language models (LLMs). From 0.3.0 until 0.22.0, a vulnerability in ASGI web servers and starlette's trust on those web servers enables an authentication bypass of the OpenAI API AuthenticationMiddleware. It al

  • 7.5 High severity

    vllm: Improper Control of Generation of Code

    CVE-2026-41523Vllm-project

    vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.0, an assert-based security check in vLLM's activation function loading allows any unauthenticated attacker to achieve arbitrary code execution on the server by publishing

  • 9.8 Critical severity

    litellm: Authentication Bypass by Spoofing

    CVE-2026-49468BerriAIEPSS 3.03%

    LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, a Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer

  • 7.5 High severity

    nltk: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-54293Nltk

    NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Prior to 3.10.0-rc1, nltk.data.load() in NLTK is vulnerable to path traversal via URL-encoded

  • 8.3 High severity

    Red Hat OpenShift for Windows Containers 10.19: Improper Certificate Validation

    CVE-2026-54100Red Hat

    A flaw was found in the Windows Machine Config Operator (WMCO) for Red Hat OpenShift Container Platform. WMCO establishes SSH connections to Windows worker nodes without verifying the remote server host key. An adjacent-network attacker who can intercept or re

  • 8.8 High severity

    Red Hat OpenShift for Windows Containers 10.19: Improper Privilege Management

    CVE-2026-54099Red Hat

    A flaw was found in the Windows Machine Config Operator (WMCO) for Red Hat OpenShift Container Platform. The WICD CSR auto-approver validates that a Certificate Signing Request contains the organization system:wicd-nodes but does not reject additional organiza

  • 9.8 Critical severity

    litellm: Improper Authentication

    CVE-2026-12773BerriAIEPSS 1.02%

    A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper a

  • 7.5 High severity

    vLLM versions >= 0.10.2 and < 0.13.0 are missing sparse tensor validation in multimodal…

    CVE-2026-56340vLLM

    vLLM versions >= 0.10.2 and < 0.13.0 are missing sparse tensor validation in multimodal embeddings processing. Because PyTorch disables sparse tensor invariant checks by default, an attacker can submit crafted embedding requests with malformed (negative or out

  • 7.5 High severity

    quarkus: Incorrect Authorization

    CVE-2026-50559QuarkusioEPSS 1.02%

    Quarkus is a Java framework for building cloud-native applications. Prior to versions 3.37.0, 3.36.3, 3.33.2.1, 3.33.3, 3.27.4.1, 3.27.5, and 3.20.6.2, Quarkus HTTP path-based authorization policies can be bypassed using encoded semicolons (%3B) to smuggle mat

  • 7.1 High severity

    Red Hat Enterprise Linux AI 3.3 for RHEL 9: Out-of-bounds Write

    CVE-2026-56211Red Hat

    A remote code execution vulnerability was found in libaom, the reference AV1 codec implementation. Insufficient bounds validation in the AV1 encoder's SVC (Scalable Video Coding) layer ID control allows an attacker to supply crafted video frame pixels that ove

  • 7.1 High severity

    Red Hat Enterprise Linux AI 3.3 for RHEL 9: Out-of-bounds Read

    CVE-2026-56210Red Hat

    A heap-buffer-overflow read vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Scalable Video Coding) layer ID control function allows setting a spatial_layer_id exceeding the configured number of laye

  • 7.1 High severity

    Red Hat Enterprise Linux AI 3.3 for RHEL 9: Out-of-bounds Write

    CVE-2026-56209Red Hat

    An arbitrary address write vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Scalable Video Coding) layer ID control function allows an attacker to inject an arbitrary pointer into the cyclic refresh

  • 7.6 High severity

    Red Hat Enterprise Linux 10.0 Extended Update…: Heap-based Buffer Overflow

    CVE-2026-56208Red Hat

    A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when g_lag_in_frames is set

  • 7.4 High severity

    Red Hat Enterprise Linux 10: Heap-based Buffer Overflow

    CVE-2026-3195Red Hat

    A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the `virtio_snd_pcm_in_cb` function did not check whether the iov could fit the data buffer, potentially leading to a heap out-of-bounds write. This issue exists due to

  • 7.8 High severity

    Linux: Out-of-bounds Read

    CVE-2026-52910Linux

    In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new

  • 8.8 High severity

    FFmpeg: Out-of-bounds Write

    CVE-2026-8461FFmpegEPSS 1.57%

    An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution. This vulnerability is associated with the file libavcodec/magicy

  • 7.8 High severity

    Red Hat Enterprise Linux 10: Execution with Unnecessary Privileges

    CVE-2026-12505Red Hat

    A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted req

  • 7.5 High severity

    starlette: Server-Side Request Forgery

    CVE-2026-48818Kludex

    Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \\attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is reject

  • 7.4 High severity

    undici: Improper Certificate Validation

    CVE-2026-9697Undici

    Impact: undici's ProxyAgent silently drops the requestTls option when configured with a SOCKS5 proxy URI (socks5:// or socks://). The target HTTPS connection through the SOCKS5 tunnel falls back to Node's default trust store, ignoring user-configured ca, cert,

  • 8.8 High severity

    undici: Origin Validation Error

    CVE-2026-6734Undici

    Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless o

  • 7.5 High severity

    envoy: Asymmetric Resource Consumption (Amplification)

    CVE-2026-47774Envoyproxy

    Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability in Envoy's HTTP/2 downstream request processing allows an unauthenticated remote client to trigger exc

  • 7.5 High severity

    undici: Uncontrolled Resource Consumption

    CVE-2026-12151Undici

    Impact: The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a message but does not enforce a limit on the number of fragments. A malicious WebSocket server can stream many small or empty continuation frames that eac

  • 8.1 High severity

    NGINX Open Source: Use After Free

    CVE-2026-42530F5EPSS 6.22%

    NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session