chore(deps): bump rack from 3.2.5 to 3.2.6

[dependabot]

Bumps rack from 3.2.5 to 3.2.6.

Release notes

Sourced from rack's releases.

v3.2.6

Full Changelog: rack/rack@v3.2.5...v3.2.6

Changelog

Sourced from rack's changelog.

[3.2.6] - 2026-04-01

Security

• CVE-2026-34763 Root directory disclosure via unescaped regex interpolation in Rack::Directory.
• CVE-2026-34230 Avoid O(n^2) algorithm in Rack::Utils.select_best_encoding which could lead to denial of service.
• CVE-2026-32762 Forwarded header semicolon injection enables Host and Scheme spoofing.
• CVE-2026-26961 Raise error for multipart requests with multiple boundary parameters.
• CVE-2026-34786 Rack::Static header_rules bypass via URL-encoded path mismatch.
• CVE-2026-34831 Content-Length mismatch in Rack::Files error responses.
• CVE-2026-34826 Multipart byte range processing allows denial of service via excessive overlapping ranges.
• CVE-2026-34835 Rack::Request accepts invalid Host characters, enabling host allowlist bypass.
• CVE-2026-34830 Rack::Sendfile header-based X-Accel-Mapping regex injection enables unauthorized X-Accel-Redirect.
• CVE-2026-34785 Rack::Static prefix matching can expose unintended files under the static root.
• CVE-2026-34829 Multipart parsing without Content-Length header allows unbounded chunked file uploads.
• CVE-2026-34827 Multipart header parsing allows denial of service via escape-heavy quoted parameters.
• CVE-2026-26962 Improper unfolding of folded multipart headers preserves CRLF in parsed parameter values.

Commits

• e1f22fd Bump patch version.
• 31989fd Fix typo in test.
• d268165 Fix test expectation.
• 8f425de Add Ruby v4.0 to the test matrix.
• bf83042 Drop EOL Rubies from external tests.
• d50c4d3 Implement OBS unfolding for multipart requests per RFC 5322 2.2.3
• bfb6914 Limit the number of quoted escapes during multipart parsing
• b3e5945 Add Content-Length size check in Rack::Multipart::Parser
• 7a8f326 Fix root prefix bug in Rack::Static
• a57bc14 Only do a simple substitution on the x-accel-mapping paths
• Additional commits viewable in compare view

[github-actions]

posthog-ruby Compliance Report

Date: 2026-07-27 12:57:07 UTC
Duration: 98491ms

✅ All Tests Passed!

46/46 tests passed

---

Capture Tests

✅ 29/29 tests passed

View Details

Test	Status	Duration
Format Validation.Event Has Required Fields	✅	110ms
Format Validation.Event Has Uuid	✅	106ms
Format Validation.Event Has Lib Properties	✅	109ms
Format Validation.Distinct Id Is String	✅	106ms
Format Validation.Token Is Present	✅	107ms
Format Validation.Custom Properties Preserved	✅	107ms
Format Validation.Event Has Timestamp	✅	106ms
Retry Behavior.Retries On 503	✅	5309ms
Retry Behavior.Does Not Retry On 400	✅	2109ms
Retry Behavior.Does Not Retry On 401	✅	2110ms
Retry Behavior.Respects Retry After Header	✅	8118ms
Retry Behavior.Implements Backoff	✅	15615ms
Retry Behavior.Retries On 500	✅	5212ms
Retry Behavior.Retries On 502	✅	5212ms
Retry Behavior.Retries On 504	✅	5212ms
Retry Behavior.Max Retries Respected	✅	15612ms
Deduplication.Generates Unique Uuids	✅	111ms
Deduplication.Preserves Uuid On Retry	✅	5213ms
Deduplication.Preserves Uuid And Timestamp On Retry	✅	10418ms
Deduplication.Preserves Uuid And Timestamp On Batch Retry	✅	5214ms
Deduplication.No Duplicate Events In Batch	✅	116ms
Deduplication.Different Events Have Different Uuids	✅	108ms
Compression.Sends Gzip When Enabled	✅	106ms
Batch Format.Uses Proper Batch Structure	✅	107ms
Batch Format.Flush With No Events Sends Nothing	✅	6ms
Batch Format.Multiple Events Batched Together	✅	111ms
Error Handling.Does Not Retry On 403	✅	2110ms
Error Handling.Does Not Retry On 413	✅	2109ms
Error Handling.Retries On 408	✅	5212ms

Feature_Flags Tests

✅ 17/17 tests passed

View Details

Test	Status	Duration
Request Payload.Request With Person Properties Device Id	✅	108ms
Request Payload.Flags Request Uses V2 Query Param	✅	107ms
Request Payload.Flags Request Hits Flags Path Not Decide	✅	107ms
Request Payload.Flags Request Omits Authorization Header	✅	107ms
Request Payload.Token In Flags Body Matches Init	✅	107ms
Request Payload.Groups Round Trip	✅	108ms
Request Payload.Groups Default To Empty Object	✅	107ms
Request Payload.Disable Geoip False Propagates As Geoip Disable False	✅	107ms
Request Payload.Disable Geoip Omitted Defaults To False	✅	107ms
Request Payload.Flag Keys To Evaluate Contains Only Requested Key	✅	107ms
Request Lifecycle.No Flags Request On Init Alone	✅	3ms
Request Lifecycle.No Flags Request On Normal Capture	✅	106ms
Request Lifecycle.Two Flag Calls Produce Two Remote Requests	✅	112ms
Request Lifecycle.Mock Response Value Is Returned To Caller	✅	107ms
Retry Behavior.Retries Flags On 502	✅	259ms
Retry Behavior.Retries Flags On 504	✅	209ms
Side Effect Events.Get Feature Flag Captures Feature Flag Called Event	✅	107ms