Important: Red Hat Security Advisory: OpenShift Container Platform 4.15.67 packages and security update

Red Hat OpenShift Container Platform release 4.15.67 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.15. Red Hat Product Security has rated this update as having a...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

RHCOS 4 : OpenShift Container Platform 4.17.55 (RHSA-2026:34097)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34097 advisory. - net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 - crypto/x509: crypto/tls: golang: Go: Denial of Servi...

Security Bulletin: Vulnerability in gRPC-Go bundled with IBM Fusion, IBM Fusion HCI, and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, and IBM Fusion Content-Aware Storage include the gRPC-Go library, which is vulnerable to an authorization bypass. This issue is caused by improper input validation of the HTTP/2 :path pseudo-header. The gRPC-Go server incorrectly accepted requests where the...

image-builder security update

An update is available for image-builder. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list A local binary for building customized OS artifacts such as VM images a...

Security update for google-guest-agent

This update for google-guest-agent fixes the following issue CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260264. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like Ya...

OPENSUSE-SU-2026:20815-1 Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues - CVE-2023-45288: golang.org/x/net/http2: close connections when receiving too many headers bsc1236533. - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

OPENSUSE-SU-2026:20809-1 Security update for trivy

This update for trivy fixes the following issues - CVE-2025-64702: github.com/quic-go/quic-go/http3: quic-go HTTP/3 QPACK Header Expansion DoS bsc1255366. - CVE-2025-69725: github.com/go-chi/chi/v5: incorrect input validation in the RedirectSlashes function can lead to an open redirect bsc1258513...

Authorization Bypass

google.golang.org/grpc is vulnerable to authorization bypass. The vulnerability is due to improper validation of the HTTP/2 :path pseudo-header, which allows an attacker to send malformed requests without a leading slash and bypass path-based authorization policies when fallback "allow" rules are...

Important: Red Hat Security Advisory: rhc security update

An update for rhc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

SUSE-SU-2026:21370-1 Security update for ignition

This update for ignition fixes the following issue: - CVE-2026-33186: Fixed an authorization bypass due to improper validation of the HTTP/2: path pseudo-header bsc1260251...

Security update for terraform-provider-local, terraform-provider-random, terraform-provider-tls

This update for terraform-provider-local, terraform-provider-random, terraform-provider-tls fixes the following issue: CVE-2026-25934: github.com/go-git/go-git/v5: improper verification of data integrity values for .pack and .idx files can lead to the consumption of corrupted files bsc1258097...

SUSE-SU-2026:1395-1 Security update for azure-storage-azcopy

This update for azure-storage-azcopy fixes the following issues: - CVE-2026-33186: Authorization bypass in grpc-go due to improper validation of the HTTP/2 :path pseudo-header bsc1260307...

SUSE SLES15 / openSUSE 15 Security Update : ignition (SUSE-SU-2026:1314-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1314-1 advisory. This update for ignition fixes the following issue: - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper...

Exploit for CVE-2026-33186

CVE-2026-33186 gRPC-Go RBAC Authorization Policy Bypass via M...

SUSE CVE-2026-33186

gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 :path pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the :path omitted the mandatory...

CVE-2026-33186

gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 :path pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the :path omitted the mandatory...

gRPC-Go has an authorization bypass via missing leading slash in :path

Impact What kind of vulnerability is it? Who is impacted? It is an Authorization Bypass resulting from Improper Input Validation of the HTTP/2 :path pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the :path omitted the mandatory leading slash e.g.,...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the processing of HTTP/2 :path pseudo-headers in handleStream. An attacker can gain unauthorized access to restricted resources by sending requests with malformed :path headers that omit the leading slash. Thi...