[dependabot]

Bumps github.com/nats-io/nats-server/v2 from 2.15.1 to 2.15.2.

Release notes

Sourced from github.com/nats-io/nats-server/v2's releases.

Release v2.15.2

Changelog

Refer to the 2.15 Upgrade Guide for backwards compatibility notes with 2.14.x.

Go Version

• 1.27.3, which contains mitigations for CVE-2026-111943 by distrusting eMudhra intermediate certificates (#8798)

Dependencies

• github.com/klauspost/compress v1.20.3 (#8798)
• golang.org/x/crypto v0.58.0 (#8798)
• golang.org/x/sys v0.49.0 (#8798)

Fixed

General

• Allowed connection types are now correctly respected in auth callout setups
• Fixed a potential queue sub weight amplification in the sublist
• OCSP responses are now correctly bound to the certificate serial number

JetStream

• Restored v1 stream snapshots now correctly guard against excessive subject lengths, subject counts or block counts

Leafnodes

• ACLs on leafnode connections no longer override allow/deny lists to implicitly allow $MQTT.> permissions

MQTT

• OCSP verification for MQTT connections now correctly obeys the ocsp_peer option in the mqtt block

Complete Changes

nats-io/nats-server@v2.15.1...v2.15.2

Commits

• 5a815f1 Release v2.15.2
• ce74e90 Cherry-picks for 2.15.2
• d607b66 [FIXED] OCSP peer debug log for invalid cached delegation missing fingerprint
• d999a7c [IMPROVED] Reuse OCSP delegation check for route/gateway staples
• 6fe5aa7 [FIXED] OCSP staple status accepted from signers not authorized by the CA
• a9ea248 [FIXED] OCSP responses not bound to the certificate's serial number
• 74a69e6 [FIXED] MQTT ocsp_peer ignored in favor of top-level TLS options
• eb1459a [FIXED] Leafnode permissions bypassed for $MQTT. subjects
• 2e6d391 [FIXED] Bound counts and lengths when recovering stream state
• c33a421 [FIXED] Queue weight overflow withdrawing route and leaf interest
• Additional commits viewable in compare view

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[github-actions]

📋 Review Summary

This automated Dependabot PR bumps github.com/nats-io/nats-server/v2 from v2.15.1 to v2.15.2 (along with the transitive dependency github.com/klauspost/compress from v1.20.1 to v1.20.3) in sdks/go.mod and sdks/go.sum. The patch version bump includes security and bug fixes without breaking API changes.

🔍 General Feedback

• The go.mod and go.sum updates are clean, minimal, and safe to merge once CI checks pass.

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[github-actions]

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