Update dependency bcrypt to v3.1.22 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence	Diffend
bcrypt	3.1.21 → 3.1.22					Diff

GitHub Vulnerability Alerts

CVE-2026-33306

Impact

An integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen.

The JRuby implementation of bcrypt-ruby (BCrypt.java) computes the key-strengthening round count as a signed 32-bit integer. When cost=31 (the maximum allowed by the gem), signed integer overflow causes the round count to become negative, and the strengthening loop executes zero iterations. This collapses bcrypt from 2^31 rounds of exponential key-strengthening to effectively constant-time computation — only the initial EksBlowfish key setup and final 64x encryption phase remain.

The resulting hash looks valid ($2a$31$...) and verifies correctly via checkpw, making the weakness invisible to the application. This issue is triggered only when cost=31 is used or when verifying a $2a$31$ hash.

Patches

This problem has been fixed in version 3.1.22

Workarounds

Set the cost to something less than 31.

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Link to pipeline: https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2396719732

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Duration: 4 minutes

Job summaries

rspec: [ee]

Coverage report available at https://code0-tech.gitlab.io/-/development/sagittarius/-/jobs/13570493880/artifacts/tmp/coverage/index.html
Test summary available at https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2396719732/test_report
Finished in 21.81 seconds (files took 13.35 seconds to load)
1317 examples, 0 failures
Line Coverage: 92.55% (4249 / 4591)
[TEST PROF INFO] Time spent in factories: 00:11.408 (37.87% of total time)

rspec: [ce]

Coverage report available at https://code0-tech.gitlab.io/-/development/sagittarius/-/jobs/13570493877/artifacts/tmp/coverage/index.html
Test summary available at https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2396719732/test_report
Finished in 22.85 seconds (files took 12.82 seconds to load)
1270 examples, 0 failures
Line Coverage: 92.0% (4081 / 4436)
[TEST PROF INFO] Time spent in factories: 00:11.493 (37.83% of total time)

rubocop

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