[GSoC] History of Advisories

[Samk1710]

Resolves

• History of Advisories #2329

Tasks

• Implement Advisory Snapshot to view an advisory at a certain point in time
• Implement Snapshot of Package Details to view details of the advisory at a point in time
• Implement Diff to Summarize History
• Add tests

Test Logs:

=============== test session starts ================
platform linux -- Python 3.12.3, pytest-7.1.1, pluggy-1.0.0
django: settings: vulnerablecode.settings (from ini)
rootdir: /home/samk/Desktop/dream/vulnerablecode, configfile: pyproject.toml
plugins: django-4.5.2, anyio-4.6.2.post1
collected 2 items                                  

vulnerabilities/tests/test_advisory_history.py . [ 50%]
.                                            [100%]

========= 2 passed, 1327 warnings in 0.33s =========

[Samk1710]

Attached some screenshots for the feature

History tab for https://github.com/github/advisory-database/commits/main/advisories/github-reviewed/2026/02/GHSA-72hv-8253-57qq/GHSA-72hv-8253-57qq.json

Summary of changes on History Tab

Severity Tab: Latest vs Oldest

Severity Change from High 8.7 --> Moderate 6.9

Package Details Changes