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Security Deep Dive

lemmy

Security posture and CVE patch evidence from tracked releases.

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1 high-severity dependency CVE affects 0.19.20.

Review the dependency vulnerabilities below.

— Signed — SLSA — SBOM ✗ Security policy Monthly cadence · 34d median Active maintainer

Trust Signals — 2 of 9 Present

Evidence already collected from releases and repository metadata.

2/9 Present
Signed releases Unknown
Latest release artifact signature Latest release
SLSA provenance Unknown
Attestation predicate level Latest release
SBOM published Unknown
GitHub SBOM API Latest release
SECURITY.md Absent
GitHub repository metadata Repository policy
Checked: 13d ago
Release cadence: monthly Present
34d median over recent releases Release history
Latest release: 5d ago
Maintainer active Present
Recent commit activity Repository
Last commit: 14d ago
Checksums (SHA256SUMS) Not active yet
SHA256SUMS or equivalent Release asset
Latest release: 5d ago
GitHub Actions attestation Not active yet
actions/attest-build-provenance Workflow file
Latest release: 5d ago
Signing assets Not active yet
.sig, .crt, cosign.pub, or similar Release asset
Latest release: 5d ago
3.8/10 Security Score
5.2/10 Scorecard
Dependency Exposure 9 transitive dependency CVEs found in the latest SBOM.

Security Score

A composite score aggregating Scorecard performance, CVE patch history, OpenSSF badge tier, and dependency vulnerability exposure. Score ≥ 7.0 is healthy; < 4.0 warrants attention.

epss

0.25 / 0.5

No EPSS data

freshness

1.00 / 1.0

7d stale

scorecard

2.08 / 4.0

Score 5.2/10

cve health

0.00 / 2.5

⚠ No direct scan — 3c/16h transitive CVEs

patch speed

0.50 / 0.5

⚠ Estimated — no CVE patch history

kev exposure

1.50 / 1.5

No KEV exposure

supply chain risk

-1.50 / 10.0

Risk 44.9/100

Score breakdown

schema v2

Vulnerability posture

vulnerability posture

0.0

25%

direct cves: clear cve scan: estimated

Release responsiveness

release responsiveness

10.0

5%

patch speed days: no_history

Dependency exposure

dependency exposure

5.5

10%

supply chain risk: 44.85 transitive cves: 3c/16h

Provenance trust

provenance trust

5.2

40%

scorecard score: 5.2 openssf badge: none

Maintainer health

maintainer health

10.0

10%

activity freshness: 7d

Operational risk

operational risk

8.5

10%

kev exposure: clear epss max: none
How is this calculated?

The six dimensions group the legacy score signals into weighted categories: direct vulnerability status, patch responsiveness, dependency exposure, provenance checks, maintainer activity, and exploitability risk. The flat component values above remain available for compatibility.

Supply Chain Risk

Risk 44.9/100
0 Transitive critical CVEs
0 KEV-transitive CVEs
57% Dependency freshness

Scorecard

Scorecard 5.2/10

OpenSSF Scorecard evaluates supply-chain security practices automatically. Score ≥ 6 is passing; ≥ 8 is excellent.

Check Score Reason
Packaging -1 packaging workflow not detected
Maintained 10 30 commit(s) and 25 issue activity found in the last 90 days -- score normalized to 10
Dangerous-Workflow -1 no workflows found
Token-Permissions -1 No tokens found
Code-Review 9 Found 29/30 approved changesets -- score normalized to 9
Security-Policy 9 security policy file detected
CII-Best-Practices 0 no effort to earn an OpenSSF best practices badge detected
Binary-Artifacts 10 no binaries found in the repo
License 10 license file detected
Fuzzing 0 project is not fuzzed
Signed-Releases 0 Project has not signed or included provenance with any releases.
Branch-Protection -1 internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
SAST 0 SAST tool is not run on all commits -- score normalized to 0
Pinned-Dependencies 0 dependency not pinned by hash detected -- score normalized to 0

OpenSSF Badge

OpenSSF none

Badge indicates adherence to open-source best practices.

Dependency Vulnerabilities

1378 dependencies scanned View full dependency list →

Scanning the SBOM (Software Bill of Materials) of the latest release for known vulnerabilities in transitive dependencies.

Critical

0

High

1

Medium

4

Low

2

Unknown

2

High 1 Medium 4 Low 2 Unknown 2
CVE Severity KEV Dependency Affected version Cleared in release
CVE-2026-4867 high path-to-regexp 0.1.12 0.19.19
CVE-2023-49092 medium rsa 0.9.10 0.19.19
CVE-2024-12224 medium idna 0.3.0 0.19.19
CVE-2026-42180 medium lemmy_api_common 0.19.16 0.19.19
CVE-2026-42181 medium lemmy_api_common 0.19.16 0.19.19
GHSA-cq8v-f236-94qc low rand 0.10.0 0.19.19
GHSA-ff9q-rm55-q7qr low diesel-async 0.8.0 0.19.19
RUSTSEC-2024-0320 unknown yaml-rust 0.4.5 0.19.19
RUSTSEC-2026-0097 unknown rand 0.10.0 0.19.19

Showing 9 of 60

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