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Security Deep Dive

bigbluebutton

Security posture and CVE patch evidence from tracked releases.

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1 critical dependency CVE affects v3.0.28.

Audit transitive dependencies; consider upgrading or pinning replacements.

— Signed — SLSA — SBOM ✓ Security policy Weekly cadence · 14d median Active maintainer

Trust Signals — 3 of 9 Present

Evidence already collected from releases and repository metadata.

3/9 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 Present
GitHub repository metadata Repository policy
Checked: 23d ago
Release cadence: weekly Present
14d median over recent releases Release history
Latest release: 5d ago
Maintainer active Present
Recent commit activity Repository
Last commit: 2d 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
5.0/10 Security Score
5.6/10 Scorecard
Dependency Exposure 57 transitive dependency CVEs found in the latest SBOM. 1 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

2d stale

scorecard

2.24 / 4.0

Score 5.6/10

cve health

1.00 / 2.5

No open 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 53.0/100

Score breakdown

schema v2

Vulnerability posture

vulnerability posture

4.0

25%

direct cves: clear cve scan: available

Release responsiveness

release responsiveness

10.0

5%

patch speed days: no_history

Dependency exposure

dependency exposure

4.7

10%

supply chain risk: 53.03 transitive cves: 1c/24h

Provenance trust

provenance trust

5.6

40%

scorecard score: 5.6 openssf badge: none

Maintainer health

maintainer health

10.0

10%

activity freshness: 2d

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 53.0/100
1 Transitive critical CVEs
0 KEV-transitive CVEs
48% Dependency freshness

Scorecard

Scorecard 5.6/10

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

Check Score Reason
Maintained 10 30 commit(s) and 13 issue activity found in the last 90 days -- score normalized to 10
Code-Review 7 Found 14/18 approved changesets -- score normalized to 7
Dangerous-Workflow 10 no dangerous workflow patterns detected
Packaging -1 packaging workflow not detected
Security-Policy 10 security policy file detected
CII-Best-Practices 2 badge detected: InProgress
License 10 license file detected
Token-Permissions 0 detected GitHub workflow tokens with excessive permissions
Binary-Artifacts 4 binaries present in source code
Signed-Releases -1 no releases found
Branch-Protection 1 branch protection is not maximal on development and all release branches
SAST 10 SAST tool is run on all commits
Pinned-Dependencies 2 dependency not pinned by hash detected -- score normalized to 2
Fuzzing 0 project is not fuzzed

Dependency Vulnerabilities

6582 dependencies scanned View full dependency list →

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

Critical

1

High

24

Medium

26

Low

6

Unknown

0

Still affecting latest (36) All (57)
Critical 1 High 24 Medium 26 Low 6
CVE Severity KEV Dependency Affected version Cleared in release
GHSA-353f-x4gh-cqq8 critical — nokogiri 1.16.5 v3.0.27
CVE-2021-3803 high — nth-check 1.0.2 v3.0.27
CVE-2025-27610 high — rack 2.2.8.1 v3.0.27
CVE-2025-46727 high — rack 2.2.8.1 v3.0.27
CVE-2025-59830 high — rack 2.2.8.1 v3.0.27
CVE-2025-61770 high — rack 2.2.8.1 v3.0.27
CVE-2025-61771 high — rack 2.2.8.1 v3.0.27
CVE-2025-61772 high — rack 2.2.8.1 v3.0.27
CVE-2025-61919 high — rack 2.2.8.1 v3.0.27
CVE-2025-64756 high — glob 10.4.2 v3.0.27
CVE-2026-22860 high — rack 2.2.8.1 v3.0.27
CVE-2026-26996 high — minimatch 9.0.3 v3.0.27
CVE-2026-27601 high — underscore 1.13.6 v3.0.27
CVE-2026-27903 high — minimatch 9.0.3 v3.0.27
CVE-2026-27904 high — minimatch 9.0.3 v3.0.27
CVE-2026-29074 high — svgo 2.8.0 v3.0.27
CVE-2026-34230 high — rack 2.2.8.1 v3.0.27
CVE-2026-34785 high — rack 2.2.8.1 v3.0.27
CVE-2026-34829 high — rack 2.2.8.1 v3.0.27
CVE-2026-44728 high — @babel/plugin-transform-modules-systemjs 7.25.0 v3.0.27
CVE-2026-6321 high — fast-uri 3.0.1 v3.0.27
CVE-2026-6322 high — fast-uri 3.0.1 v3.0.27
GHSA-5c6j-r48x-rmvq high — serialize-javascript 4.0.0 v3.0.27
GHSA-c4rq-3m3g-8wgx high — nokogiri 1.16.5 v3.0.27
GHSA-mrxw-mxhj-p664 high — nokogiri 1.16.5 v3.0.27
CVE-2023-44270 medium — postcss 7.0.39 v3.0.27
CVE-2024-21510 medium — sinatra 3.1.0 v3.0.27
CVE-2024-55565 medium — nanoid 4.0.2 v3.0.27
CVE-2025-25184 medium — rack 2.2.8.1 v3.0.27
CVE-2025-27111 medium — rack 2.2.8.1 v3.0.27
CVE-2025-30359 medium — webpack-dev-server 4.15.2 v3.0.27
CVE-2025-30360 medium — webpack-dev-server 4.15.2 v3.0.27
CVE-2025-32441 medium — rack 2.2.8.1 v3.0.27
CVE-2025-61780 medium — rack 2.2.8.1 v3.0.27
CVE-2026-25500 medium — rack 2.2.8.1 v3.0.27
CVE-2026-26961 medium — rack 2.2.8.1 v3.0.27
CVE-2026-33169 medium — activesupport 7.0.7.1 v3.0.27
CVE-2026-33170 medium — activesupport 7.0.7.1 v3.0.27
CVE-2026-33176 medium — activesupport 7.0.7.1 v3.0.27
CVE-2026-33750 medium — brace-expansion 2.0.2 v3.0.27
CVE-2026-34043 medium — serialize-javascript 4.0.0 v3.0.27
CVE-2026-34763 medium — rack 2.2.8.1 v3.0.27
CVE-2026-34786 medium — rack 2.2.8.1 v3.0.27
CVE-2026-34826 medium — rack 2.2.8.1 v3.0.27
CVE-2026-34830 medium — rack 2.2.8.1 v3.0.27
CVE-2026-34831 medium — rack 2.2.8.1 v3.0.27
CVE-2026-41305 medium — postcss 8.4.39 v3.0.27
CVE-2026-41907 medium — uuid 11.1.0 v3.0.27
CVE-2026-42338 medium — ip-address 10.1.0 v3.0.27
GHSA-v2fc-qm4h-8hqv medium — nokogiri 1.16.5 v3.0.27
GHSA-wx95-c6cv-8532 medium — nokogiri 1.16.5 v3.0.27
CVE-2025-58767 low — rexml 3.3.9 v3.0.27
CVE-2025-61921 low — sinatra 3.1.0 v3.0.27
CVE-2026-24001 low — diff 4.0.2 v3.0.27
CVE-2026-3449 low — @tootallnate/once 1.1.2 v3.0.27
GHSA-5w6v-399v-w3cc low — nokogiri 1.16.5 v3.0.27
GHSA-vvfq-8hwr-qm4m low — nokogiri 1.16.5 v3.0.27

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