build(deps): bump google.golang.org/grpc from 1.70.0 to 1.79.3

[dependabot]

Bumps google.golang.org/grpc from 1.70.0 to 1.79.3.

Release notes

Sourced from google.golang.org/grpc's releases.

Release 1.79.3

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. (#8981)

Release 1.79.2

Bug Fixes

• stats: Prevent redundant error logging in health/ORCA producers by skipping stats/tracing processing when no stats handler is configured. (grpc/grpc-go#8874)

Release 1.79.1

Bug Fixes

• grpc: Remove the -dev suffix from the User-Agent header. (grpc/grpc-go#8902)

Release 1.79.0

API Changes

• mem: Add experimental API SetDefaultBufferPool to change the default buffer pool. (#8806)
  • Special Thanks: @​vanja-p
• experimental/stats: Update MetricsRecorder to require embedding the new UnimplementedMetricsRecorder (a no-op struct) in all implementations for forward compatibility. (#8780)

Behavior Changes

• balancer/weightedtarget: Remove handling of Addresses and only handle Endpoints in resolver updates. (#8841)

New Features

• experimental/stats: Add support for asynchronous gauge metrics through the new AsyncMetricReporter and RegisterAsyncReporter APIs. (#8780)
• pickfirst: Add support for weighted random shuffling of endpoints, as described in gRFC A113.
  • This is enabled by default, and can be turned off using the environment variable GRPC_EXPERIMENTAL_PF_WEIGHTED_SHUFFLING. (#8864)
• xds: Implement :authority rewriting, as specified in gRFC A81. (#8779)
• balancer/randomsubsetting: Implement the random_subsetting LB policy, as specified in gRFC A68. (#8650)
  • Special Thanks: @​marek-szews

Bug Fixes

• credentials/tls: Fix a bug where the port was not stripped from the authority override before validation. (#8726)
  • Special Thanks: @​Atul1710
• xds/priority: Fix a bug causing delayed failover to lower-priority clusters when a higher-priority cluster is stuck in CONNECTING state. (#8813)
• health: Fix a bug where health checks failed for clients using legacy compression options (WithDecompressor or RPCDecompressor). (#8765)
  • Special Thanks: @​sanki92
• transport: Fix an issue where the HTTP/2 server could skip header size checks when terminating a stream early. (#8769)
  • Special Thanks: @​joybestourous
• server: Propagate status detail headers, if available, when terminating a stream during request header processing. (#8754)
  • Special Thanks: @​joybestourous

Performance Improvements

• credentials/alts: Optimize read buffer alignment to reduce copies. (#8791)
• mem: Optimize pooling and creation of buffer objects. (#8784)
• transport: Reduce slice re-allocations by reserving slice capacity. (#8797)

... (truncated)

Commits

• dda86db Change version to 1.79.3 (#8983)
• 72186f1 grpc: enforce strict path checking for incoming requests on the server (#8981)
• 97ca352 Changing version to 1.79.3-dev (#8954)
• 8902ab6 Change the version to release 1.79.2 (#8947)
• a928670 Cherry-pick #8874 to v1.79.x (#8904)
• 06df363 Change version to 1.79.2-dev (#8903)
• 782f2de Change version to 1.79.1 (#8902)
• 850eccb Change version to 1.79.1-dev (#8851)
• 765ff05 Change version to 1.79.0 (#8850)
• 68804be Cherry pick #8864 to v1.79.x (#8896)
• Additional commits viewable in compare view

[cubic-dev-ai]

1 issue found across 2 files

Prompt for AI agents (unresolved issues)

Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.


<file name="go.mod">

<violation number="1" location="go.mod:3">
P1: This change raises the module’s minimum Go version to 1.24.0, which can break builds in project environments still pinned to Go 1.23. Keep the existing Go baseline in this dependency bump PR unless the toolchain upgrade is intentional and coordinated.</violation>
</file>

Architecture diagram

sequenceDiagram
    participant C as gRPC Client
    participant T as gRPC Server Transport
    participant I as Auth Interceptor (e.g. grpc/authz)
    participant S as Service Implementation

    Note over C,S: Request Processing with gRPC 1.79.3 Path Validation

    C->>T: Send RPC Request (Header :path)
    
    rect rgb(23, 37, 84)
    Note right of T: NEW: Strict Path Validation (#8981)
    alt Path is non-canonical (e.g., missing leading slash)
        T-->>C: CHANGED: Reject with 'Unimplemented' Error
    else Path is valid (canonical)
        T->>I: Proceed to Interceptor chain
    end
    end

    alt Path-based Authorization
        I->>I: Check path against 'deny' rules
        alt Authorized
            I->>S: Invoke Service Method
            S-->>C: Return Response
        else Unauthorized
            I-->>C: Return 'PermissionDenied'
        end
    end

    Note over T,S: Internal Optimizations (1.79.0+)
    Note right of T: Performance: Reduced slice re-allocations<br/>and optimized ALTS buffer alignment.

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_{Reply with feedback, questions, or to request a fix. Tag @cubic-dev-ai to re-run a review.}

[cubic-dev-ai]

P1: This change raises the module’s minimum Go version to 1.24.0, which can break builds in project environments still pinned to Go 1.23. Keep the existing Go baseline in this dependency bump PR unless the toolchain upgrade is intentional and coordinated.

Prompt for AI agents

Check if this issue is valid — if so, understand the root cause and fix it. At go.mod, line 3:

<comment>This change raises the module’s minimum Go version to 1.24.0, which can break builds in project environments still pinned to Go 1.23. Keep the existing Go baseline in this dependency bump PR unless the toolchain upgrade is intentional and coordinated.</comment>

<file context>
@@ -1,8 +1,6 @@
-go 1.23
-
-toolchain go1.23.1
+go 1.24.0
 
 require (
</file context>

Suggested change

	go 1.24.0
	go 1.23

[spooktheducks]

@dependabot rebase