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

  • 7.8 High severity

    helm: Not Failing Securely

    CVE-2026-35205Helm

    Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, Helm will install plugins missing provenance (.prov file) when signature verification is required. This vulnerability is fixed in 4.1.4.

  • 8.6 High severity

    helm: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-35204Helm

    Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, a specially crafted Helm plugin, when installed or updated, will cause Helm to write the contents of the plugin to an arbitrary filesystem location. To prevent this, validate that the pl

  • 9.9 Critical severity

    axios: Unintended Proxy or Intermediary

    CVE-2025-62718AxiosEPSS 1.21%

    Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.31.0, Axios does not correctly handle hostname normalization when checking NO_PROXY rules. Requests to loopback addresses like localhost. (with a trailing dot) or [::1] (IP

  • 7.5 High severity

    Tooling: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-4660HashiCorp

    HashiCorp’s go-getter library up to v1.8.5 may allow arbitrary file reads on the file system during certain git operations through a maliciously crafted URL. This vulnerability, CVE-2026-4660, is fixed in go-getter v1.8.6. This vulnerability does not affect th

  • 9.8 Critical severity

    cryptography: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-39892Pyca

    cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers (e.g. Hash.update()), this could lead to buffer ov

  • 7.0 High severity

    opentelemetry-go: Untrusted Search Path

    CVE-2026-39883Open-telemetry

    OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to 1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on B

  • 7.5 High severity

    react-server-dom-turbopack: Uncontrolled Resource Consumption

    CVE-2026-23869MetaEPSS 1.57%

    A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 1

  • 8.8 High severity

    mirror registry for Red Hat OpenShift 2.0: Deserialization of Untrusted Data

    CVE-2026-32590Red Hat

    A flaw was found in Red Hat Quay's handling of resumable container image layer uploads. The upload process stores intermediate data in the database using a format that, if tampered with, could allow an attacker to execute arbitrary code on the Quay server.

  • 7.4 High severity

    Eclipse Jetty: Sensitive Information in Resource Not Removed Before Reuse

    CVE-2026-5795Eclipse Foundation

    In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing th

  • 8.2 High severity

    crypto/x509: Improper Certificate Validation

    CVE-2026-33810Go standard library

    When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issue

  • 7.5 High severity

    crypto/tls: Allocation of Resources Without Limits or Throttling

    CVE-2026-32283Go standard library

    If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

  • 7.5 High severity

    crypto/x509: Allocation of Resources Without Limits or Throttling

    CVE-2026-32280Go standard library

    During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and

  • 8.8 High severity

    cmd/go: Incorrect Authorization

    CVE-2026-27140Go toolchain

    SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.

  • 9.1 Critical severity

    botan: Improper Enforcement of Behavioral Workflow

    CVE-2026-34582Randombit

    Botan is a C++ cryptography library. Prior to version 3.11.1, the TLS 1.3 implementation allowed ApplicationData records to be processed prior to the Finished message being received. A server which is attempting to enforce client authentication via certificate

  • 7.5 High severity

    botan: Improper Certificate Validation

    CVE-2026-34580Randombit

    Botan is a C++ cryptography library. In 3.11.0, the function Certificate_Store::certificate_known had a misleading name; it would return true if any certificate in the store had a DN (and subject key identifier, if set) matching that of the argument. It did no

  • 10.0 Critical severity

    flatpak: UNIX Symbolic Link (Symlink) Following

    CVE-2026-34078FlatpakEPSS 1.71%

    Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the sandbox-expose options which can be app-controlled symlinks pointing at arbitrary paths. Flatpak run mounts the resolved host path in

  • 9.1 Critical severity

    podman-desktop: Generation of Error Message Containing Sensitive Information

    CVE-2026-34045Podman-desktop

    Podman Desktop is a graphical tool for developing on containers and Kubernetes. Prior to 1.26.2, an unauthenticated HTTP server exposed by Podman Desktop allows any network attacker to remotely trigger denial-of-service conditions and extract sensitive informa

  • 7.5 High severity

    opentelemetry-go: Allocation of Resources Without Limits or Throttling

    CVE-2026-29181Open-telemetry

    OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.36.0 to 1.40.0, multi-value baggage: header extraction parses each header field-value independently and aggregates members across values. This allows an attacker to amplify cpu and allocations

  • 7.5 High severity

    vite: Incorrect Behavior Order: Validate Before Canonicalize

    CVE-2026-39364VitejsEPSS 2.26%

    Vite is a frontend tooling framework for JavaScript. From 7.1.0 to before 7.3.2 and 8.0.5, on the Vite dev server, files that should be blocked by server.fs.deny (e.g., .env, *.crt) can be retrieved with HTTP 200 responses when query parameters such as ?raw, ?

  • 7.5 High severity

    vite: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-39363VitejsEPSS 3.4%

    Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, if it is possible to connect to the Vite dev server’s WebSocket without an Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:

  • 9.8 Critical severity

    Red Hat Enterprise Linux 10: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-4631Red HatEPSS 15.5%

    Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or sanitization. An attacker with network access to the Cockpit web service can craft a single HTTP request to the login end

  • 7.0 High severity

    Red Hat Hardened Images: Uncontrolled Search Path Element

    CVE-2025-14821Red Hat

    A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availab

  • 8.2 High severity

    multicluster engine for Kubernetes 2.1: Improper Certificate Validation

    CVE-2026-4740Red Hat

    A flaw was found in Open Cluster Management (OCM), the technology underlying Red Hat Advanced Cluster Management (ACM). Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can b

  • 9.8 Critical severity

    LibRaw: Integer Overflow or Wraparound

    CVE-2026-24660LibRaw

    A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

  • 9.8 Critical severity

    LibRaw: Improper Validation of Array Index

    CVE-2026-21413LibRawEPSS 1.41%

    A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigge

  • 9.8 Critical severity

    LibRaw: Incorrect Calculation of Buffer Size

    CVE-2026-20911LibRaw

    A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger th

  • 9.8 Critical severity

    LibRaw: Integer Overflow or Wraparound

    CVE-2026-20889LibRaw

    A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

  • 9.8 Critical severity

    Firefox: Out-of-bounds Write

    CVE-2026-5735Mozilla

    Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in

  • 9.8 Critical severity

    Firefox: Out-of-bounds Write

    CVE-2026-5734Mozilla

    Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run a

  • 8.8 High severity

    Firefox: Integer Overflow or Wraparound

    CVE-2026-5732Mozilla

    Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

  • 8.8 High severity

    Firefox: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-5731Mozilla

    Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have b

  • 7.4 High severity

    OTP: Improper Certificate Validation

    CVE-2026-32144Erlang

    Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows OCSP designated-responder authorization bypass via missing signature verification. The OCSP response validation in public_key:pkix_ocsp_validate/5 does not verif

  • 9.8 Critical severity

    OTP: Incorrect Authorization

    CVE-2026-28808Erlang

    Incorrect Authorization vulnerability in Erlang OTP (inets modules) allows unauthenticated access to CGI scripts protected by directory rules when served via script_alias. When script_alias maps a URL prefix to a directory outside DocumentRoot, mod_auth evalua

  • 8.8 High severity

    Apache ActiveMQ Improper Input Validation Exploited

    CVE-2026-34197ApacheEPSS 98.3%

    Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ. Apache ActiveMQ Classic exposes the Jolokia JMX-HTTP bridge at /api/jolokia/ on the web console. The default Jolokia

  • 7.5 High severity

    distribution: Improper Access Control

    CVE-2026-35172Distribution

    Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, distribution can restore read access in repo a after an explicit delete when storage.cache.blobdescriptor: redis and storage.delete.enabled: true are both enabled. T

  • 9.1 Critical severity

    litellm: Improper Authentication

    CVE-2026-35030BerriAI

    LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.83.0, when JWT authentication is enabled (enable_jwt_auth: true), the OIDC userinfo cache uses token[:20] as the cache key. JWT headers produced by the same signin

  • 8.8 High severity

    litellm: Incorrect Authorization

    CVE-2026-35029BerriAIEPSS 38.6%

    LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.83.0, the /config/update endpoint does not enforce admin role authorization. A user who is already authenticated into the platform can then use this endpoint to mo

  • 7.5 High severity

    go-jose: Uncaught Exception

    CVE-2026-34986Go-jose

    Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption (JWE), JSON Web Signature (JWS), and JSON Web Token (JWT) standards. Prior to 4.1.4 and 3.0.5, decrypting a JSO

  • 8.2 High severity

    vim: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-34982Vim

    Vim is an open source, command line text editor. Prior to version 9.2.0276, a modeline sandbox bypass in Vim allows arbitrary OS command execution when a user opens a crafted file. The `complete`, `guitabtooltip` and `printheader` options are missing the `P_ML

  • 7.8 High severity

    openexr: Out-of-bounds Read

    CVE-2026-34588AcademySoftwareFoundation

    OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.1.0 to before 3.2.7, 3.3.9, and 3.4.9, internal_exr_undo_piz() advances the working wavelet pointer with sig