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fix(deps): update module google.golang.org/grpc to v1.79.3 [security] (#819) 
This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [google.golang.org/grpc](https://redirect.github.com/grpc/grpc-go) |
`v1.79.2` → `v1.79.3` |
![age](https://developer.mend.io/api/mc/badges/age/go/google.golang.org%2fgrpc/v1.79.3?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/go/google.golang.org%2fgrpc/v1.79.2/v1.79.3?slim=true)
|

### GitHub Vulnerability Alerts

####
[CVE-2026-33186](https://redirect.github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3)

### 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.,
`Service/Method` instead of `/Service/Method`). While the server
successfully routed these requests to the correct handler, authorization
interceptors (including the official `grpc/authz` package) evaluated the
raw, non-canonical path string. Consequently, "deny" rules defined using
canonical paths (starting with `/`) failed to match the incoming
request, allowing it to bypass the policy if a fallback "allow" rule was
present.

**Who is impacted?**
This affects gRPC-Go servers that meet both of the following criteria:
1. They use path-based authorization interceptors, such as the official
RBAC implementation in `google.golang.org/grpc/authz` or custom
interceptors relying on `info.FullMethod` or `grpc.Method(ctx)`.
2. Their security policy contains specific "deny" rules for canonical
paths but allows other requests by default (a fallback "allow" rule).

The vulnerability is exploitable by an attacker who can send raw HTTP/2
frames with malformed `:path` headers directly to the gRPC server.

### Patches
_Has the problem been patched? What versions should users upgrade to?_

Yes, the issue has been patched. The fix ensures that any request with a
`:path` that does not start with a leading slash is immediately rejected
with a `codes.Unimplemented` error, preventing it from reaching
authorization interceptors or handlers with a non-canonical path string.

Users should upgrade to the following versions (or newer):
* **v1.79.3**
* The latest **master** branch.

It is recommended that all users employing path-based authorization
(especially `grpc/authz`) upgrade as soon as the patch is available in a
tagged release.

### Workarounds
_Is there a way for users to fix or remediate the vulnerability without
upgrading?_

While upgrading is the most secure and recommended path, users can
mitigate the vulnerability using one of the following methods:

#### 1. Use a Validating Interceptor (Recommended Mitigation)
Add an "outermost" interceptor to your server that validates the path
before any other authorization logic runs:

```go
func pathValidationInterceptor(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
    if info.FullMethod == "" || info.FullMethod[0] != '/' {
        return nil, status.Errorf(codes.Unimplemented, "malformed method name")
    }   
    return handler(ctx, req)
}

// Ensure this is the FIRST interceptor in your chain
s := grpc.NewServer(
    grpc.ChainUnaryInterceptor(pathValidationInterceptor, authzInterceptor),
)
```

#### 2. Infrastructure-Level Normalization
If your gRPC server is behind a reverse proxy or load balancer (such as
Envoy, NGINX, or an L7 Cloud Load Balancer), ensure it is configured to
enforce strict HTTP/2 compliance for pseudo-headers and reject or
normalize requests where the `:path` header does not start with a
leading slash.

#### 3. Policy Hardening
Switch to a "default deny" posture in your authorization policies
(explicitly listing all allowed paths and denying everything else) to
reduce the risk of bypasses via malformed inputs.

---

### Release Notes

<details>
<summary>grpc/grpc-go (google.golang.org/grpc)</summary>

###
[`v1.79.3`](https://redirect.github.com/grpc/grpc-go/releases/tag/v1.79.3):
Release 1.79.3

[Compare
Source](https://redirect.github.com/grpc/grpc-go/compare/v1.79.2...v1.79.3)

### Security

- server: fix an authorization bypass where malformed :path headers
(missing the leading slash) could bypass path-based restricted "deny"
rules in interceptors like `grpc/authz`. Any request with a
non-canonical path is now immediately rejected with an `Unimplemented`
error.
([#&#8203;8981](https://redirect.github.com/grpc/grpc-go/issues/8981))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "" (UTC), Automerge - At any time (no
schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Never, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/cloudnative-pg/plugin-barman-cloud).

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2026-03-19 09:42:16 +01:00

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module github.com/cloudnative-pg/plugin-barman-cloud
go 1.25.0
toolchain go1.26.1
require (
github.com/cert-manager/cert-manager v1.19.4
github.com/cloudnative-pg/api v1.28.1
github.com/cloudnative-pg/barman-cloud v0.5.0
github.com/cloudnative-pg/cloudnative-pg v1.28.1
github.com/cloudnative-pg/cnpg-i v0.3.1
github.com/cloudnative-pg/cnpg-i-machinery v0.4.2
github.com/cloudnative-pg/machinery v0.3.3
github.com/onsi/ginkgo/v2 v2.28.1
github.com/onsi/gomega v1.39.1
github.com/spf13/cobra v1.10.2
github.com/spf13/viper v1.21.0
google.golang.org/grpc v1.79.3
gopkg.in/yaml.v3 v3.0.1
k8s.io/api v0.35.2
k8s.io/apiextensions-apiserver v0.35.2
k8s.io/apimachinery v0.35.2
k8s.io/client-go v0.35.2
k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2
sigs.k8s.io/controller-runtime v0.23.3
sigs.k8s.io/kustomize/api v0.21.1
sigs.k8s.io/kustomize/kyaml v0.21.1
)
require (
cel.dev/expr v0.25.1 // indirect
github.com/Masterminds/semver/v3 v3.4.0 // indirect
github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/blang/semver/v4 v4.0.0 // indirect
github.com/cenkalti/backoff/v5 v5.0.3 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/emicklei/go-restful/v3 v3.13.0 // indirect
github.com/evanphx/json-patch/v5 v5.9.11 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
github.com/fxamacker/cbor/v2 v2.9.0 // indirect
github.com/go-errors/errors v1.5.1 // indirect
github.com/go-logr/logr v1.4.3 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/go-logr/zapr v1.3.0 // indirect
github.com/go-openapi/jsonpointer v0.22.4 // indirect
github.com/go-openapi/jsonreference v0.21.4 // indirect
github.com/go-openapi/swag v0.25.4 // indirect
github.com/go-openapi/swag/cmdutils v0.25.4 // indirect
github.com/go-openapi/swag/conv v0.25.4 // indirect
github.com/go-openapi/swag/fileutils v0.25.4 // indirect
github.com/go-openapi/swag/jsonname v0.25.4 // indirect
github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
github.com/go-openapi/swag/loading v0.25.4 // indirect
github.com/go-openapi/swag/mangling v0.25.4 // indirect
github.com/go-openapi/swag/netutils v0.25.4 // indirect
github.com/go-openapi/swag/stringutils v0.25.4 // indirect
github.com/go-openapi/swag/typeutils v0.25.4 // indirect
github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
github.com/google/btree v1.1.3 // indirect
github.com/google/cel-go v0.26.0 // indirect
github.com/google/gnostic-models v0.7.1 // indirect
github.com/google/go-cmp v0.7.0 // indirect
github.com/google/pprof v0.0.0-20260115054156-294ebfa9ad83 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.3 // indirect
github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/kubernetes-csi/external-snapshotter/client/v8 v8.4.0 // indirect
github.com/lib/pq v1.11.1 // indirect
github.com/moby/spdystream v0.5.0 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.87.1 // indirect
github.com/prometheus/client_golang v1.23.2 // indirect
github.com/prometheus/client_model v0.6.2 // indirect
github.com/prometheus/common v0.67.4 // indirect
github.com/prometheus/procfs v0.19.2 // indirect
github.com/sagikazarmark/locafero v0.11.0 // indirect
github.com/snorwin/jsonpatch v1.5.0 // indirect
github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
github.com/spf13/afero v1.15.0 // indirect
github.com/spf13/cast v1.10.0 // indirect
github.com/spf13/pflag v1.0.10 // indirect
github.com/stoewer/go-strcase v1.3.1 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
github.com/thoas/go-funk v0.9.3 // indirect
github.com/x448/float16 v0.8.4 // indirect
github.com/xlab/treeprint v1.2.0 // indirect
go.opentelemetry.io/auto/sdk v1.2.1 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 // indirect
go.opentelemetry.io/otel v1.40.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.37.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0 // indirect
go.opentelemetry.io/otel/metric v1.40.0 // indirect
go.opentelemetry.io/otel/sdk v1.40.0 // indirect
go.opentelemetry.io/otel/trace v1.40.0 // indirect
go.opentelemetry.io/proto/otlp v1.7.0 // indirect
go.uber.org/multierr v1.11.0 // indirect
go.uber.org/zap v1.27.1 // indirect
go.yaml.in/yaml/v2 v2.4.3 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
golang.org/x/exp v0.0.0-20250718183923-645b1fa84792 // indirect
golang.org/x/mod v0.32.0 // indirect
golang.org/x/net v0.49.0 // indirect
golang.org/x/oauth2 v0.34.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/sys v0.42.0 // indirect
golang.org/x/term v0.39.0 // indirect
golang.org/x/text v0.33.0 // indirect
golang.org/x/time v0.14.0 // indirect
golang.org/x/tools v0.41.0 // indirect
gomodules.xyz/jsonpatch/v2 v2.5.0 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
google.golang.org/protobuf v1.36.11 // indirect
gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
k8s.io/apiserver v0.35.2 // indirect
k8s.io/component-base v0.35.2 // indirect
k8s.io/klog/v2 v2.130.1 // indirect
k8s.io/kube-openapi v0.0.0-20251125145642-4e65d59e963e // indirect
sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.33.0 // indirect
sigs.k8s.io/gateway-api v1.4.0 // indirect
sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
sigs.k8s.io/randfill v1.0.0 // indirect
sigs.k8s.io/structured-merge-diff/v6 v6.3.2-0.20260122202528-d9cc6641c482 // indirect
sigs.k8s.io/yaml v1.6.0 // indirect
)
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