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Security Deep Dive

lemmy

Security posture and CVE patch evidence from tracked releases.

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3 critical dependency CVEs affects 0.19.20.

Audit transitive dependencies; consider upgrading or pinning replacements.

— 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 60 transitive dependency CVEs found in the latest SBOM. 3 critical.

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
3 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

3

High

16

Medium

24

Low

8

Unknown

9

Still affecting latest (9) All (60)
Critical 3 High 16 Medium 24 Low 8 Unknown 9
CVE Severity KEV Dependency Affected version Cleared in release
CVE-2026-33937 critical — handlebars 4.7.8 0.19.19
CVE-2026-34971 critical — wasmtime 37.0.3 0.19.19
CVE-2026-34987 critical — wasmtime 37.0.3 0.19.19
CVE-2025-12758 high — validator 13.12.0 0.19.19
CVE-2025-64756 high — glob 10.4.5 0.19.19
CVE-2026-26996 high — minimatch 3.1.2 0.19.19
CVE-2026-27903 high — minimatch 3.1.2 0.19.19
CVE-2026-27904 high — minimatch 3.1.2 0.19.19
CVE-2026-32141 high — flatted 3.3.3 0.19.19
CVE-2026-33228 high — flatted 3.3.3 0.19.19
CVE-2026-33671 high — picomatch 4.0.2 0.19.19
CVE-2026-33938 high — handlebars 4.7.8 0.19.19
CVE-2026-33939 high — handlebars 4.7.8 0.19.19
CVE-2026-33940 high — handlebars 4.7.8 0.19.19
CVE-2026-33941 high — handlebars 4.7.8 0.19.19
CVE-2026-35213 high — @hapi/content 6.0.0 0.19.19
CVE-2026-4867 high — path-to-regexp 0.1.12 0.19.19
GHSA-82j2-j2ch-gfr8 high — rustls-webpki 0.101.7 0.19.19
GHSA-h5x4-m2qf-r4f2 high — diesel 2.3.7 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-2025-15284 medium — qs 6.13.0 0.19.19
CVE-2025-56200 medium — validator 13.12.0 0.19.19
CVE-2025-69873 medium — ajv 6.12.6 0.19.19
CVE-2026-24116 medium — wasmtime 37.0.3 0.19.19
CVE-2026-27204 medium — wasmtime 37.0.3 0.19.19
CVE-2026-27572 medium — wasmtime 37.0.3 0.19.19
CVE-2026-33532 medium — yaml 2.7.0 0.19.19
CVE-2026-33672 medium — picomatch 4.0.2 0.19.19
CVE-2026-33750 medium — brace-expansion 2.0.2 0.19.19
CVE-2026-33916 medium — handlebars 4.7.8 0.19.19
CVE-2026-34941 medium — wasmtime 37.0.3 0.19.19
CVE-2026-34942 medium — wasmtime 37.0.3 0.19.19
CVE-2026-34943 medium — wasmtime 37.0.3 0.19.19
CVE-2026-34944 medium — wasmtime 37.0.3 0.19.19
CVE-2026-34946 medium — wasmtime 37.0.3 0.19.19
CVE-2026-35186 medium — wasmtime 37.0.3 0.19.19
CVE-2026-35195 medium — wasmtime 37.0.3 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
CVE-2026-44216 medium — wasmtime 37.0.3 0.19.19
GHSA-7rx3-28cr-v5wh medium — handlebars 4.7.8 0.19.19
GHSA-xhj4-vrgc-hr34 medium — actix-http 3.12.0 0.19.19
CVE-2026-2391 low — qs 6.13.0 0.19.19
CVE-2026-34945 low — wasmtime 37.0.3 0.19.19
CVE-2026-34988 low — wasmtime 37.0.3 0.19.19
GHSA-442j-39wm-28r2 low — handlebars 4.7.8 0.19.19
GHSA-965h-392x-2mh5 low — rustls-webpki 0.101.7 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
GHSA-xgp8-3hg3-c2mh low — rustls-webpki 0.101.7 0.19.19
RUSTSEC-2024-0320 unknown — yaml-rust 0.4.5 0.19.19
RUSTSEC-2024-0388 unknown — derivative 2.2.0 0.19.19
RUSTSEC-2025-0134 unknown — rustls-pemfile 1.0.4 0.19.19
RUSTSEC-2025-0141 unknown — bincode 1.3.3 0.19.19
RUSTSEC-2026-0097 unknown — rand 0.10.0 0.19.19
RUSTSEC-2026-0098 unknown — rustls-webpki 0.101.7 0.19.19
RUSTSEC-2026-0099 unknown — rustls-webpki 0.101.7 0.19.19
RUSTSEC-2026-0104 unknown — rustls-webpki 0.101.7 0.19.19
RUSTSEC-2026-0111 unknown — diesel 2.3.7 0.19.19

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