Red Hat has 2,798 CVEs on record between 2010 and 2026. Disclosure cadence is accelerating: 1446 in the last 90 days against 609 in the 90 before. The busiest recent month was October 2026 with 627. The median CVSS is 6.5 (medium), with 135 rated critical. 0% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 2722 days (6 cases). The dominant weakness classes are CWE-125 (187) and CWE-787 (157). Most affected products: Red Hat Enterprise Linux 9 (275), Red Hat Enterprise Linux 10 (167), Linux (74).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.5
- Publish → KEV
- 2722 d median(6)
- Last 90 days
- 1446 prev 609
Weakness classes
Products
- Red Hat Enterprise Linux 9 275
- Red Hat Enterprise Linux 10 167
- Linux 74
- Red Hat Enterprise Linux BaseOS (v. 10) 55
- Red Hat OpenShift AI (RHOAI) 50
- build_of_keycloak 49
Worst active — by depth score
CVE-2017-12149Critical· 9.8In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserializatio…100CVE-2021-40438Critical· 9.0A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user99CVE-2026-31431High· 7.8In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in op…88CVE-2024-3094Critical· 10.0Xz: malicious code in distributed source85CVE-2010-1428High· 7.5The Web Console (aka web-console) in JBossAs in Red Hat JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.2 before 4.2.0.CP09 and 4.3 before 4.3.0.CP08 performs access control only for the GET and POST methods, which allow…82
Red Hat vulnerabilities
CVEs affecting Red Hat, newest first. Open any entry for full detail, references, and exploit status.
2798 CVEsRSS
CVE-2026-39833Medium· 5.5⚖ disputedgolang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to unenforced key confirmation (CVE-2026-39833)
A flaw was found in golang.org/x/crypto/ssh/agent. The NewKeyring() function, which creates an in-memory keyring, failed to enforce the ConfirmBeforeUse constraint on keys. This allowed keys configured to require user confirmation before u…
CVE-2026-39827Medium· 6.5golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via repeated rejected channel openings (CVE-2026-39827)
A flaw was found in golang.org/x/crypto/ssh. An authenticated SSH client can cause a Denial of Service (DoS) by repeatedly opening channels that are rejected by the server. This leads to unbounded memory growth, eventually crashing the ser…
CVE-2026-39831High· 8.1golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Security key bypass due to missing user presence check (CVE-2026-39831)
A flaw was found in golang.org/x/crypto/ssh. The Verify() method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardw…
CVE-2026-39834Medium· 6.5⚖ disputedgolang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service due to integer overflow in SSH channel write (CVE-2026-39834)
A flaw was found in golang.org/x/crypto/ssh. When a remote attacker attempts to write data larger than 4GB in a single call on an SSH (Secure Shell) channel, an integer overflow occurs in the internal payload size calculation. This vulnera…
CVE-2026-46595High· 7.1PoC⚖ disputedgolang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Authorization bypass due to skipped source-address validation (CVE-2026-46595)
A flaw was found in golang.org/x/crypto/ssh. Source-address validation can be skipped when an SSH server configuration uses an authentication callback type other than public key, allowing authorization bypass in misconfigured servers. This…
CVE-2026-9064High· 7.5389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)
A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted L…
CVE-2023-7346Medium· 4.0Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: f…
Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: f…
CVE-2026-37982Medium· 6.8Keycloak: org.keycloak.authentication: keycloak: unauthorized account takeover via webauthn token replay
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay `ExecuteActionsActionToken` tokens within Keycloak's WebAuthn (Web Authentication) flow. By intercepting an execute-actions email link, an…
CVE-2026-37979Medium· 6.5Keycloak: keycloak: information disclosure via oidc token introspection endpoint audience bypass
A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect (OIDC) token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid crede…
CVE-2026-7507High· 7.5A session fixation vulnerability was found in Keycloak's login-actions endpoints
A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted lin…
CVE-2026-7307High· 7.5A flaw was found in Keycloak
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation…
CVE-2026-44283Medium· 4.3⚖ disputedetcd: etcd: Authenticated user can bypass RBAC for unauthorized data access (CVE-2026-44283)
A flaw was found in etcd, a distributed key-value store. An authenticated user, without sufficient read or lease-related permissions, could bypass Role-Based Access Control (RBAC) authorization checks. This bypass occurs during transaction…
CVE-2026-42561High· 7.5python-multipart: python-multipart: Denial of Service via excessive multipart part headers (CVE-2026-42561)
A flaw was found in python-multipart. A remote attacker can exploit this denial of service (DoS) vulnerability by sending a specially crafted request with an excessive number of part headers or a single very large header value during multi…
CVE-2026-8328Medium· 5.3The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed
The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse…
CVE-2026-44431Medium· 5.3PoCurllib3 is an HTTP client library for Python
urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive hea…
CVE-2026-41293High· 7.3PoC⚖ disputedtomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid.
CVE-2026-44301High· 7.3hugo: Hugo: Arbitrary file read/write via unrestricted file system access in Node-based asset pipelines (CVE-2026-44301)
A flaw was found in Hugo. When building a Hugo site that uses Node-based asset pipelines (such as PostCSS, Babel, or TailwindCSS), Hugo invoked the configured Node tools without restrictions on file system access. This could allow code run…
CVE-2026-44222High· 7.5vllm: vLLM: Denial of Service via malformed multimodal input or token injection (CVE-2026-44222)
A flaw was found in vLLM, an inference and serving engine for large language models (LLMs). This vulnerability allows unauthenticated attackers to cause a Denial of Service (DoS) by supplying image or video placeholder sequences without ma…
CVE-2026-31221High· 8.0pytorch-lightning: PyTorch-Lightning: Arbitrary code execution via insecure deserialization of checkpoint files (CVE-2026-31221)
A flaw was found in PyTorch-Lightning. This vulnerability, categorized as insecure deserialization (CWE-502), exists in the checkpoint loading mechanism. A remote attacker can exploit this by providing a maliciously crafted checkpoint file…
CVE-2026-44307Medium· 5.9mako: Mako: Information disclosure via directory traversal (CVE-2026-44307)
A flaw was found in Mako, a Python template library. A remote attacker could exploit a directory traversal vulnerability by crafting a Uniform Resource Identifier (URI) with backslash traversal. This bypasses security checks, allowing the …
CVE-2026-44223Medium· 6.5vLLM is an inference and serving engine for large language models (LLMs)
vLLM is an inference and serving engine for large language models (LLMs). From 0.18.0 to before 0.20.0, the extract_hidden_states speculative decoding proposer in vLLM returns a tensor with an incorrect shape after the first decode step,…
CVE-2026-4802High· 8.0PoCCockpit: cockpit: arbitrary command execution via crafted links in system logs ui
A flaw was found in Cockpit. This vulnerability allows a remote attacker to achieve arbitrary command execution on the host by exploiting unsanitized user-controlled parameters within crafted links in the system logs user interface (UI).…
CVE-2026-42876High· 8.1⚖ disputedexternal-secrets-operator: External Secrets Operator: Privilege escalation via ExternalSecret resource creation (CVE-2026-42876)
A flaw was found in External Secrets Operator. A user with permissions to create ExternalSecret resources can trick the operator into creating a Kubernetes Secret that automatically contains a long-lived token for a specified service accou…
CVE-2026-8261Medium· 5.9A vulnerability was determined in Squirrel up to 3.2
A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. Th…
CVE-2026-4890High· 7.5A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
CVE-2026-8177High· 7.5XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read…
XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read…
CVE-2026-42308Medium· 6.2Pillow: Pillow: Denial of Service via integer overflow in font processing (CVE-2026-42308)
A flaw was found in Pillow, a Python imaging library. If a font advances for each glyph by an exceeding large amount, an integer overflow can occur when Pillow tracks the current position. This could lead to a denial of service (DoS) condi…
CVE-2026-42310Medium· 4.0Pillow: Pillow: Denial of Service via malicious PDF processing (CVE-2026-42310)
A flaw was found in Pillow, a Python imaging library. A remote attacker could supply a specially crafted malicious PDF file, causing the application to hang indefinitely and consume 100% CPU. This vulnerability leads to a Denial of Service…
CVE-2026-42301High· 7.3pyp2spec: pyp2spec: Arbitrary command execution via unescaped RPM macro directives (CVE-2026-42301)
A flaw was found in pyp2spec, a tool that generates Fedora RPM spec files for Python projects. This vulnerability allows a malicious Python Package Index (PyPI) package to execute arbitrary commands on a build machine. This occurs because …
CVE-2026-42311High· 7.8Pillow: python-pillow: Pillow: Arbitrary code execution via malicious PSD file processing (CVE-2026-42311)
A flaw was found in Pillow, a Python imaging library. An attacker could exploit this vulnerability by tricking a user into processing a specially crafted malicious PSD file. This could lead to memory corruption, potentially causing the app…