Red Hat has 1,283 CVEs on record between 2020 and 2026. Disclosure cadence is accelerating: 1041 in the last 90 days against 120 in the 90 before. The busiest recent month was September 2026 with 636. The median CVSS is 7.0 (high), with 58 rated critical. 0% have been exploited in the wild, in line with the corpus average. The dominant weakness classes are CWE-125 (97) and CWE-825 (89). Most affected products: Red Hat Enterprise Linux 9 (212), Red Hat OpenShift Container Platform 4 (95), Red Hat Enterprise Linux 10 (62).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 7.0
- Publish → KEV
- —(1)
- Last 90 days
- 1041 prev 120
Weakness classes
Products
- Red Hat Enterprise Linux 9 212
- Red Hat OpenShift Container Platform 4 95
- Red Hat Enterprise Linux 10 62
- Linux 57
- Red Hat OpenShift AI (RHOAI) 45
- Red Hat Enterprise Linux BaseOS (v. 10) 36
Worst active — by depth score
CVE-2026-64849High· 8.5mlflow: MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS …74CVE-2025-68664Critical· 9.3langchain-core: LangChain: Arbitrary code execution via serialization injection (CVE-2025-68664)72CVE-2026-40453Critical· 9.9The fix for CVE-2025-27636 added setLowerCase(true) to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'67CVE-2026-76578Critical· 9.8A flaw was found in FreeIPA66CVE-2026-64564Critical· 9.8In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing sctp_process_asconf() caches the transport the ASCONF chunk is processed against in asconf->transport …66
Red Hat vulnerabilities
CVEs affecting Red Hat, newest first. Open any entry for full detail, references, and exploit status.
1283 CVEsRSS
CVE-2026-88837Medium· 6.5BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
BusyBox httpd treats yescrypt ($y$) password hashes as plaintext during Basic Authentication, inverting the authentication check.
CVE-2026-88835Medium· 6.1BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.
BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.
CVE-2026-88831Medium· 5.3BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.
BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.
CVE-2026-88832High· 7.3BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.
CVE-2026-88830High· 7.5A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.
A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.
CVE-2026-6668High· 7.5Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service
Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growt…
CVE-2026-19888High· 7.5Missing validation of a mandatory attribute in the SCRAM client-final-message parser in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to crash the process
Missing validation of a mandatory attribute in the SCRAM client-final-message parser in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to crash the process. A malformed message can make the parser report success while…
CVE-2026-6669Medium· 5.9Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in …
Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in …
CVE-2026-79310High· 8.5webpy web.py 0.76 is vulnerable to server-side template injection (SSTI)
webpy web.py 0.76 is vulnerable to server-side template injection (SSTI). The template engine can be tricked into executing attacker-controlled template code that built-in security checks are designed to reject. When an application preco…
CVE-2026-96276Critical· 9.8If a malicious SDK container declares an extension point with a crafted `directory` path, and a developer runs `flatpak build-init --writable-sdk --sdk-extension` with that SDK, attacker-chosen files could be written outside the working …
If a malicious SDK container declares an extension point with a crafted `directory` path, and a developer runs `flatpak build-init --writable-sdk --sdk-extension` with that SDK, attacker-chosen files could be written outside the working …
CVE-2026-96275High· 8.8A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data()
A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` …
CVE-2026-96512High· 7.8PoCA flaw was found in sudo
A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment variable inherited from…
CVE-2026-96446Medium· 4.2A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak
A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is alre…
CVE-2026-96445Medium· 6.8A flaw was found in the Conditional OTP authenticator of Keycloak, an identity and access management solution
A flaw was found in the Conditional OTP authenticator of Keycloak, an identity and access management solution. The issue occurs when the system evaluates specific HTTP headers to determine if a one-time password (OTP) should be skipped, …
CVE-2026-95897Medium· 5.5PoCA security vulnerability has been detected in Dask up to 2026.8.0
A security vulnerability has been detected in Dask up to 2026.8.0. This affects the function from_npy_stack of the file dask/array/core.py of the component Loader. Such manipulation leads to deserialization. The attack can be launched re…
CVE-2026-75432Medium· 6.5An issue in yaml-cpp 0.9.0 allows a remote attacker to obtain sensitive information via the src/scanner.cpp, Scanner::PopIndent(), and Scanner::PushIndentTo() components
An issue in yaml-cpp 0.9.0 allows a remote attacker to obtain sensitive information via the src/scanner.cpp, Scanner::PopIndent(), and Scanner::PushIndentTo() components
CVE-2026-88341Medium· 5.5PoCA reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files
A reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files. An attacker can provide a malicious file with an invalid arena configuration (num_buffers=0) that triggers an assertion failure in yr…
CVE-2026-13087High· 8.8PoCA heap out-of-bounds write vulnerability was found in the Linux kernel's RPC-over-RDMA server reply path in net/sunrpc/xprtrdma/svc_rdma_sendto.c
A heap out-of-bounds write vulnerability was found in the Linux kernel's RPC-over-RDMA server reply path in net/sunrpc/xprtrdma/svc_rdma_sendto.c. When a crafted RPC-over-RDMA client sends a large NFS READ request with an empty Write lis…
CVE-2026-79311Medium· 6.1webpy web.py 0.76 is vulnerable to Cross Site Scripting (XSS) via render_jinja.__init__().
webpy web.py 0.76 is vulnerable to Cross Site Scripting (XSS) via render_jinja.__init__().
CVE-2026-94640High· 7.5A flaw was found in rpcbind
A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedur…
CVE-2026-90462Medium· 5.4PoCA flaw was found in SSSD
A flaw was found in SSSD. When configured with the LDAP access provider and `ldap_access_order` including `ppolicy` or `lockout`, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. Thi…
CVE-2026-79312Medium· 6.8webpy web.py 0.76 is vulnerable to Session Fixation
webpy web.py 0.76 is vulnerable to Session Fixation. The component Session._load() reads session_id directly from the request cookie and loads that session from the store, and _save() writes back under the same session_id; no rotation af…
CVE-2026-79313Critical· 9.8⚖ disputedwebpy web.py 0.76 is vulnerable to Insufficient Session Expiration
webpy web.py 0.76 is vulnerable to Insufficient Session Expiration. The application's session management relies on periodic cleanup to expire sessions instead of checking the last-access time when a session is loaded. As a result, an exp…
CVE-2026-95619High· 7.7A flaw was found in libstdc++
A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the aligned operator new in the C++ library. This vulnerability could lead to an undersized memory allocation, potentially causing memory corrup…
CVE-2026-95508High· 7.4A heap-based buffer overflow was found in the DHCPv6 and TFTP response builders of libslirp
A heap-based buffer overflow was found in the DHCPv6 and TFTP response builders of libslirp. When the host is configured with a small interface MTU, a guest-supplied DHCPv6 CLIENTID option or TFTP blksize option can overflow the reply bu…
CVE-2026-95511High· 8.2PoCRejected reason: Not a vulnerability
Rejected reason: Not a vulnerability. Creating a serial queue that overwrites cups-files.conf requires membership in SystemGroups (lpadmin), which is an opt-in cupsd admin role granted by a superuser. No privilege boundary is crossed.
CVE-2016-15059Critical· 9.8Net::IDN::Punycode versions before 2.301 for Perl allow a heap buffer overflow via unchecked writes past the output buffer in encode_punycode. The XS backend builds the encoded label in the string buffer of the scalar it returns, sized …
Net::IDN::Punycode versions before 2.301 for Perl allow a heap buffer overflow via unchecked writes past the output buffer in encode_punycode. The XS backend builds the encoded label in the string buffer of the scalar it returns, sized …
CVE-2026-95503Medium· 6.8A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution
A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution. When Kerberos password authentication is used without SPNEGO, the system fails to verify the identity of the Key Di…
CVE-2026-79079High· 7.8PoCAn issue in CrossWire Xiphos <= 4.3.2 allows a local attacker to execute arbitrary code via the src/main/url.cc and src/gtk/menu_popup.c components
An issue in CrossWire Xiphos <= 4.3.2 allows a local attacker to execute arbitrary code via the src/main/url.cc and src/gtk/menu_popup.c components
CVE-2026-93433Medium· 5.5A flaw was found in libstoragemgmt
A flaw was found in libstoragemgmt. An attacker with control over a local or virtual storage device could provide specially crafted SCSI (Small Computer System Interface) Vital Product Data (VPD) page 0x80 data. This malformed data, spec…