Require Flask-Security-Too 5.8.3 or later for the open redirect fix

[dpage]

Raises the lower bound of the Flask-Security-Too pin (Python 3.10+) from 5.8.2 to 5.8.3, which fixes an open redirect in Flask-Security's default configuration (GHSA-ccgp-pv8r-95wm).

Dependabot proposed 5.9.1 for the same fix in #10514 and #10516, but 5.9 requires Python 3.11+ (we install on 3.10) and removes flask_security.utils.get_post_login_redirect(), which pgAdmin imports, so this stays in the 5.8 series. The Python <= 3.9 pin (5.6.*) is unchanged, since 5.8.3 needs 3.10 or later.

The authenticate regression tests pass locally with 5.8.3.

Summary by CodeRabbit

• Chores
  • Updated the Flask-Security-Too version requirement for Python versions above 3.9.

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Walkthrough

The Flask-Security-Too minimum version for Python versions above 3.9 changes from 5.8.2 to 5.8.3. Comments identify an open-redirect fix in version 5.8.3.

Changes

Flask-Security-Too dependency

Layer / File(s)	Summary
Update the minimum version requirements.txt	For Python versions above 3.9, the requirement changes to >=5.8.3,<5.9. Comments identify the open-redirect fix in version 5.8.3.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~5 minutes

Change: Bug fix

Suggested reviewers: asheshv

Merge Risk: 🔵 Low · up to d104c

Python 3.10+ receives the security fix, but supported Python 3.9 installations remain on an affected release. A compatible mitigation is still needed for that path.

Pre-merge checks | 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly identifies the main change: requiring Flask-Security-Too 5.8.3 or later to address the open redirect fix.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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Inline comments:
Review comments at @requirements.txt:
- Line 41: Update the Flask-Security-Too dependency constraint in
requirements.txt so Python 3.9 and earlier use a version or backport that fixes
the open redirect while remaining compatible with those runtimes; do not leave
affected 5.6 releases selected.

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ℹ️ Review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 9712467 and d104cbc.

📒 Files selected for processing (1)

• requirements.txt

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