Upstream Weekly

Decision in one minute

pydantic/pydantic receives a Healthy verdict, supported by massive adoption of 241,971,751 downloads last week on PyPI and active maintenance with 18 releases in the last 365 days. None of the 4 known vulnerabilities affect the latest version (2.14.1). However, checks on the default branch are failing, and maintainers responded to 16 percent of sampled items.

Strengths

None of the 4 known vulnerabilities for pydantic (PyPI) affect the latest version (2.14.1).
Source: None of the 4 known vulnerabilities for pydantic (PyPI) affect the latest version (2.14.1).
18 releases in the last 365 days.
Source: 18 releases in the last 365 days.
241,971,751 downloads last week on PyPI.
Source: 241,971,751 downloads last week on PyPI.

Concerns

Maintainers responded to 16 percent of sampled items.
Source: Maintainers responded to 16 percent of sampled items.
Checks on the default branch are failing.
Source: Checks on the default branch are failing.

Verify before adopting

Investigate why checks on the default branch are failing and ensure the failures do not impact your planned production workloads.Source: Checks on the default branch are failing.
Review the support and issue triage workflow to understand if the 16 percent maintainer response rate on sampled items poses an escalation risk.Source: Maintainers responded to 16 percent of sampled items.

Uncertainty: Response time and maintainer engagement metrics were evaluated using a sample of 43 issues and 50 pull requests from the last 90 days.

Written by Gemini Flash from the metrics and reasons below; every number was checked against the data, and the verdict and score come from fixed rules, not the model.

Explained

Why this verdict

2 concerns8 neutral9 positive

Score 82 from 100% of the weight; no hard gates applied.

ConcernMaintainers responded to 16 percent of sampled items.
ConcernChecks on the default branch are failing.
NeutralOpenSSF Scorecard score is 6.5 out of 10.
NeutralNo GitHub security advisories published in the last 365 days.
Neutral618 commits in the last 365 days.
Neutral1 vulnerability for pydantic (PyPI) published in the last 365 days.
NeutralMedian gap between releases over the last 2 years: 7 days.
NeutralThe most active contributor authored 53 percent of commits in the last 365 days.
NeutralGitHub community profile is 75 percent complete (informational).
Neutral29,094 GitHub stars (a weak signal on its own).
PositiveLast commit to the default branch was 3 days ago.
PositiveNone of the 4 known vulnerabilities for pydantic (PyPI) affect the latest version (2.14.1).
PositiveLast release was 7 days ago (v2.14.1).
Positive18 releases in the last 365 days.
PositiveMedian time to a first response from someone other than the author: 19 hours (sample of 43 issues and 50 pull requests from the last 90 days).
Positive128 people committed in the last 365 days.
PositiveLicensed under MIT (OSI-approved).
PositivePublishes a security policy for reporting vulnerabilities.
Positive241,971,751 downloads last week on PyPI.

Breakdown

Nine dimensions

Security posture
Weight 20
65Watch
Source values
OpenSSF Scorecard
6.5 / 10OpenSSF Scorecard API · 19 Oct 2026, 05:17 UTC
Scorecard date
2026-10-12OpenSSF Scorecard API · 19 Oct 2026, 05:17 UTC
Advisories (365 days)
0GET /repos/{o}/{r}/security-advisories · 19 Oct 2026, 05:17 UTC
Known vulnerabilities
Weight 15
90Healthy
Source values
Package
PyPI: pydanticEntered in admin
Latest version
2.14.1pypi.org JSON API · 19 Oct 2026, 05:17 UTC
Known vulnerabilities (all versions)
4OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
With a fixed version
4OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Affecting the latest version
0queried with 2.14.1OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Published in last 365 days
1OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Most recent published
2026-07-07OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Maintenance
Weight 15
100Healthy
Source values
Archived
NoGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Disabled
NoGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Days since last default-branch commit
3 daysGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Commits in last 365 days
618GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Release cadence
Weight 10
100Healthy
Source values
Days since last release
7 daysGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Releases in last 365 days
18GET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Median days between releases (2 years)
7 daysover the last 2 yearsGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Uses GitHub Releases
YesGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Latest release
v2.14.1GET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Responsiveness
Weight 10
58Watch
sampled (93 items)
Source values
Issues sampled
43issues updated in the last 90 days, PRs excluded, bots excludedGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Pull requests sampled
50pull requests updated in the last 90 days, bots excludedGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Median time to first response
18.5 hourssampledGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Share with a maintainer response
16%sampledGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Maintainer depth
Weight 10
85Healthy
Source values
Distinct contributors (365 days)
128GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Top contributor's share of commits
53%GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Top contributor
ViicosGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Low bus factor
NoGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Governance and licensing
Weight 10
100Healthy
Source values
License (SPDX)
MITGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
License status
OSI-approvedGET /repos/{owner}/{repo} + OSI list · 19 Oct 2026, 05:17 UTC
Security policy
Yesorganisation-level policyOpenSSF Scorecard Security-Policy check · 19 Oct 2026, 05:17 UTC
Code of conduct (info)
NoGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Contributing guide (info)
YesGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Issue templates (info)
NoGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Community profile (info)
75%GET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
CI health
Weight 5
20Risky
Source values
Default-branch checks
FailingGET /repos/{o}/{r}/commits/{sha}/check-runs · 19 Oct 2026, 05:17 UTC
Method
check-runsGitHub · 19 Oct 2026, 05:17 UTC
Adoption
Weight 5
100Healthy
Source values
Weekly downloads
241,971,751PyPI via pypistats.org (last week) · 19 Oct 2026, 05:17 UTC
Stars (weak signal)
29,094GET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Forks (weak signal)
3,046GET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Dependents
Not availableNot collected: no reliable public source without scraping— · 19 Oct 2026, 05:17 UTC

Over time

Trend

No changes since the previous refresh.

2026-W42 HealthyScore 82100% coverage
2026-W43 HealthyScore 82100% coverageShown above

History

Decision log

No decision recorded yet. Status: Evaluating.

Why this verdict

2 concerns8 neutral9 positive

Score 82 from 100% of the weight; no hard gates applied.

ConcernMaintainers responded to 16 percent of sampled items.

ConcernChecks on the default branch are failing.

NeutralOpenSSF Scorecard score is 6.5 out of 10.

NeutralNo GitHub security advisories published in the last 365 days.

Neutral618 commits in the last 365 days.

Neutral1 vulnerability for pydantic (PyPI) published in the last 365 days.

NeutralMedian gap between releases over the last 2 years: 7 days.

NeutralThe most active contributor authored 53 percent of commits in the last 365 days.

NeutralGitHub community profile is 75 percent complete (informational).

Neutral29,094 GitHub stars (a weak signal on its own).

PositiveLast commit to the default branch was 3 days ago.

PositiveNone of the 4 known vulnerabilities for pydantic (PyPI) affect the latest version (2.14.1).

PositiveLast release was 7 days ago (v2.14.1).

Positive18 releases in the last 365 days.

PositiveMedian time to a first response from someone other than the author: 19 hours (sample of 43 issues and 50 pull requests from the last 90 days).

Positive128 people committed in the last 365 days.

PositiveLicensed under MIT (OSI-approved).

PositivePublishes a security policy for reporting vulnerabilities.

Positive241,971,751 downloads last week on PyPI.

Nine dimensions

Security posture

Weight 20

65Watch

Source values

OpenSSF Scorecard: 6.5 / 10OpenSSF Scorecard API · 19 Oct 2026, 05:17 UTC
Scorecard date: 2026-10-12OpenSSF Scorecard API · 19 Oct 2026, 05:17 UTC
Advisories (365 days): 0GET /repos/{o}/{r}/security-advisories · 19 Oct 2026, 05:17 UTC

Known vulnerabilities

Weight 15

90Healthy

Source values

Package: PyPI: pydanticEntered in admin
Latest version: 2.14.1pypi.org JSON API · 19 Oct 2026, 05:17 UTC
Known vulnerabilities (all versions): 4OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
With a fixed version: 4OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Affecting the latest version: 0queried with 2.14.1OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Published in last 365 days: 1OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC
Most recent published: 2026-07-07OSV.dev POST /v1/query · 19 Oct 2026, 05:17 UTC

Maintenance

Weight 15

100Healthy

Source values

Archived: NoGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Disabled: NoGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Days since last default-branch commit: 3 daysGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Commits in last 365 days: 618GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC

Release cadence

Weight 10

100Healthy

Source values

Days since last release: 7 daysGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Releases in last 365 days: 18GET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Median days between releases (2 years): 7 daysover the last 2 yearsGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Uses GitHub Releases: YesGET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC
Latest release: v2.14.1GET /repos/{o}/{r}/releases · 19 Oct 2026, 05:17 UTC

Responsiveness

Weight 10

58Watch

sampled (93 items)

Source values

Issues sampled: 43issues updated in the last 90 days, PRs excluded, bots excludedGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Pull requests sampled: 50pull requests updated in the last 90 days, bots excludedGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Median time to first response: 18.5 hourssampledGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC
Share with a maintainer response: 16%sampledGET /repos/{o}/{r}/issues + /pulls (+ comments, reviews) · 19 Oct 2026, 05:17 UTC

Maintainer depth

Weight 10

85Healthy

Source values

Distinct contributors (365 days): 128GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Top contributor's share of commits: 53%GET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Top contributor: ViicosGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC
Low bus factor: NoGET /repos/{o}/{r}/commits · 19 Oct 2026, 05:17 UTC

Governance and licensing

Weight 10

100Healthy

Source values

License (SPDX): MITGET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
License status: OSI-approvedGET /repos/{owner}/{repo} + OSI list · 19 Oct 2026, 05:17 UTC
Security policy: Yesorganisation-level policyOpenSSF Scorecard Security-Policy check · 19 Oct 2026, 05:17 UTC
Code of conduct (info): NoGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Contributing guide (info): YesGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Issue templates (info): NoGET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC
Community profile (info): 75%GET /repos/{o}/{r}/community/profile · 19 Oct 2026, 05:17 UTC

CI health

Weight 5

20Risky

Source values

Default-branch checks: FailingGET /repos/{o}/{r}/commits/{sha}/check-runs · 19 Oct 2026, 05:17 UTC
Method: check-runsGitHub · 19 Oct 2026, 05:17 UTC

Adoption

Weight 5

100Healthy

Source values

Weekly downloads: 241,971,751PyPI via pypistats.org (last week) · 19 Oct 2026, 05:17 UTC
Stars (weak signal): 29,094GET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Forks (weak signal): 3,046GET /repos/{owner}/{repo} · 19 Oct 2026, 05:17 UTC
Dependents: Not availableNot collected: no reliable public source without scraping— · 19 Oct 2026, 05:17 UTC