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u-root/u-root

https://github.com/u-root/u-root · scanned 2026-06-05 17:20 UTC (4 days, 21 hours ago) · 10 languages

219 raw signals (67 security + 152 graph) 11/13 scanners ran 88th percentile · Go · medium (20-100K LoC) System graph score 61 (higher by 20)

UNIFIED Repobility · multi-layer engine · AI coders

Complete repo analysis

Last scanned 4 days, 21 hours ago · v2 · 71 actionable findings from 2 signal sources. 72 repeated signals grouped for readability. Security checks, system graph analysis, and verified AI-agent feedback are merged into one review queue.

JSON
Score breakdown â 2026-05-18-v5
Component Sub-score Weight Contribution
structure_score 85.0 0.15 12.75
security_score 100.0 0.25 25.00
testing_score 80.0 0.20 16.00
documentation_score 61.0 0.15 9.15
practices_score 72.0 0.15 10.80
code_quality 80.0 0.10 8.00
Overall 1.00 81.7
security_score may be inflated — optional security scanners were skipped on this fast scan
Severity distribution — click a segment to filter
Active filters: excluding tests × Reset all
Scan summary Quality grade A- (82/100). Dimensions: security 100, maintainability 85. 67 findings (32 security). 50,647 lines analyzed.

Showing 50 of 71 actionable findings. 143 raw detector signals were grouped into reader-sized issues. Click TP / FP to vote on a finding's accuracy — votes adjust the confidence weighting and improve detection across the platform.

critical System graph security Secrets conf 1.00 Possible secret in cmds/exp/ssh/utils_plan9.go
Detected pattern matching password_literal. Rotate the credential and move to a secret manager.
cmds/exp/ssh/utils_plan9.go:54
high Security checks software dependencies conf 0.90 ✓ Repobility [MINED126] Workflow container/services image `ghcr.io/tinygo-org/tinygo-dev:sha-3869f76887feef6c444308e7e1531b7cac1bbd10` unpinned: `container/services image: ghcr.io/tinygo-org/tinygo-dev:sha-3869f76887feef6c444308e7e1531b7cac1bbd10` without `@sha256:...` pulls a mutable tag at workflow-run time. Treat workflow container references with the same supply-chain discipline as Dockerfile FROM lines.
Replace with `ghcr.io/tinygo-org/tinygo-dev:sha-3869f76887feef6c444308e7e1531b7cac1bbd10@sha256:<digest>`. Re-pin via Dependabot Docker scope.
.github/workflows/tinygo.yml:17
high Security checks security Crypto conf 1.00 [SEC113] SSH host-key verification disabled (MITM): Accepting any SSH host key on first connect lets an active MITM impersonate the server. Common in `paramiko.AutoAddPolicy()`.
Python: load `~/.ssh/known_hosts` and use `paramiko.RejectPolicy()`. Go: implement a `ssh.HostKeyCallback` that compares against a known fingerprint. Java JSch: load known_hosts via `jsch.setKnownHosts(...)`.
cmds/core/mount9p/mount9p.go:41
medium Security checks cicd CI/CD security conf 0.90 ✓ Repobility 15 occurrences GitHub Action is tag-pinned rather than SHA-pinned
[MINED115] Action `github/codeql-action/init` pinned to mutable ref `@v3`: `uses: github/codeql-action/init@v3` resolves at workflow-run time. Tags and branches can be re-pushed by the action owner; that made the tj-actions/changed-files compromise (2025) instantly affect ~23K repos. Pin to a 40-ch…
5 files, 15 locations
.github/workflows/codeql-analysis.yml:32, 46, 59 (6 hits)
.github/workflows/test-images.yml:55, 58, 66, 71 (4 hits)
.github/workflows/golangci-lint.yml:25 (2 hits)
.github/workflows/homepage.yml:20 (2 hits)
.github/workflows/tests.yml:69
CI/CD securitySupply chainGitHub Actions
low Security checks cicd CI/CD security conf 0.90 ✓ Repobility 25 occurrences GitHub Action is tag-pinned rather than SHA-pinned
[MINED115] Action `actions/upload-artifact` pinned to mutable ref `@v4`: `uses: actions/upload-artifact@v4` resolves at workflow-run time. Tags and branches can be re-pushed by the action owner; that made the tj-actions/changed-files compromise (2025) instantly affect ~23K repos. Pin to a 40-char c…
7 files, 25 locations
.github/workflows/go.yml:15, 17, 39, 42, 59, 62, 87, 90 (12 hits)
.github/workflows/tests.yml:49, 51 (3 hits)
.github/workflows/cifuzz.yml:23 (2 hits)
.github/workflows/codeql-analysis.yml:28 (2 hits)
.github/workflows/golangci-lint.yml:19, 20 (2 hits)
.github/workflows/homepage.yml:12, 13 (2 hits)
.github/workflows/test-images.yml:52 (2 hits)
CI/CD securitySupply chainGitHub Actions
high Security checks cicd CI/CD security conf 0.90 ✓ Repobility 2 occurrences GitHub Action is tag-pinned rather than SHA-pinned
[MINED115] Action `google/oss-fuzz/infra/cifuzz/actions/build_fuzzers` pinned to mutable ref `@master`: `uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master` resolves at workflow-run time. Tags and branches can be re-pushed by the action owner; that made the tj-actions/changed-files com…
lines 9, 15
.github/workflows/cifuzz.yml:9, 15 (2 hits)
CI/CD securitySupply chainGitHub Actions
high System graph cicd CI/CD security conf 1.00 2 occurrences GitHub Action tracks a moving branch
google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master can move without a code change in this repo. Pin third-party actions to a reviewed 40-character commit SHA.
lines 9, 15
.github/workflows/cifuzz.yml:9, 15 (2 hits)
CI/CD securitySupply chainGithub actions
high System graph security security conf 1.00 Insecure pattern 'eval_used' in pkg/forth/forth.go:207
Found a known-risky pattern (eval_used). Review and replace if possible.
pkg/forth/forth.go:207 Eval used
medium Security checks quality Practices conf 1.00 [CFG006] Missing .gitignore: No .gitignore file. Risk of committing secrets and build artifacts.
Add a .gitignore appropriate for your language/framework.
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/kernel-amd64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/kernel-arm/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/kernel-arm64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/multiboot-test-kernel-amd64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/ovmf-amd64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/ovmf-arm64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/uefipayload-amd64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/upl-fit-amd64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: .circleci/images/upl-fit-arm64/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph hardware Security conf 1.00 Dockerfile runs as root: tools/golang_patched_dce/Dockerfile
No non-root USER set. Containers running as root expand the blast radius of any vulnerability inside the image.
Container
medium System graph security security conf 1.00 Insecure pattern 'weak_hash' in pkg/boot/fit/vfit.go:35
Found a known-risky pattern (weak_hash). Review and replace if possible.
pkg/boot/fit/vfit.go:35 Weak hash
medium System graph security security conf 1.00 Insecure pattern 'weak_hash' in pkg/netcat/const.go:26
Found a known-risky pattern (weak_hash). Review and replace if possible.
pkg/netcat/const.go:26 Weak hash
medium System graph security security conf 1.00 Insecure pattern 'weak_hash' in pkg/tss/tss.go:80
Found a known-risky pattern (weak_hash). Review and replace if possible.
pkg/tss/tss.go:80 Weak hash
medium System graph security security conf 1.00 Insecure pattern 'weak_hash' in pkg/txtlog/pcr_event.go:195
Found a known-risky pattern (weak_hash). Review and replace if possible.
pkg/txtlog/pcr_event.go:195 Weak hash
medium System graph security Coverage conf 1.00 No auth library detected
The scanner did not find any standard auth library (JWT, OAuth, NextAuth, Auth0, etc.). Either auth lives in custom code, in a separate service, or is missing.
auth
low Security checks quality Error handling conf 1.00 3 occurrences [ERR003] Ignored Error (Go): Ignoring error return values.
Handle the error or use errcheck linter.
3 files, 3 locations
cmds/core/base64/base64.go:81
cmds/core/cat/cat.go:28
cmds/core/id/id.go:114
low Security checks quality Quality conf 0.60 13 occurrences Duplicated implementation block across source files
Duplicate implementation blocks are maintenance debt. Keep them visible, but they are not a high-severity defect unless the duplicated logic is security-sensitive or drifting.
10 files, 13 locations
cmds/core/kill/list_openbsd.go:1, 28, 95 (3 hits)
cmds/core/kill/list_netbsd.go:1, 94 (2 hits)
cmds/core/gosh/completer_liner.go:78
cmds/core/init/init_plan9.go:1
cmds/core/kill/list_freebsd.go:1
cmds/core/kill/list_linux.go:1
cmds/core/ls/ls_windows.go:1
cmds/core/mknod/mknod_linux.go:1
duplicationquality
low System graph quality Maintenance conf 1.00 166 TODO/FIXME markers
High count of TODO/FIXME/HACK markers — track them as issues so they're not forgotten.
low System graph hardware Coverage conf 1.00 Containers defined but no K8s/orchestration manifest found
Repo has Dockerfiles/compose but no Kubernetes/Nomad manifests. If the target deployment is K8s, the manifests may live in a separate ops repo.
Deployment
low System graph hardware Supply chain conf 1.00 Docker base image is tag-pinned but not digest-pinned: golang:1.13.5-alpine
Container tags can be retagged upstream. Pin production base images to a reviewed digest (`image@sha256:...`) when reproducibility and supply-chain integrity matter.
tools/golang_patched_dce/Dockerfile:1 containersPinned dependencies
low System graph hardware Supply chain conf 1.00 3 occurrences Docker base image is tag-pinned but not digest-pinned: ubuntu:22.04
Container tags can be retagged upstream. Pin production base images to a reviewed digest (`image@sha256:...`) when reproducibility and supply-chain integrity matter.
3 files, 3 locations
.circleci/images/ovmf-amd64/Dockerfile:4
.circleci/images/ovmf-arm64/Dockerfile:4
.circleci/images/test-image-tamago/Dockerfile:1
containersPinned dependencies
low System graph hardware Supply chain conf 1.00 7 occurrences Docker base image is tag-pinned but not digest-pinned: ubuntu:rolling
Container tags can be retagged upstream. Pin production base images to a reviewed digest (`image@sha256:...`) when reproducibility and supply-chain integrity matter.
7 files, 7 locations
.circleci/images/kernel-amd64/Dockerfile:4
.circleci/images/kernel-arm/Dockerfile:4
.circleci/images/kernel-arm64/Dockerfile:4
.circleci/images/multiboot-test-kernel-amd64/Dockerfile:4
.circleci/images/uefipayload-amd64/Dockerfile:4
.circleci/images/upl-fit-amd64/Dockerfile:4
.circleci/images/upl-fit-arm64/Dockerfile:4
containersPinned dependencies
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/.eleventy.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/postcss.config.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/_data/assetHash.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/_data/env.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/_data/helpers.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/filters/readableDate.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/filters/w3-date-filter.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/scripts/global.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/shortcodes/icon.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/shortcodes/script.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph software Dead code candidate conf 1.00 File has no detected symbols: docs/src/transforms/html-min-transform.js
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph frontend Frontend quality conf 1.00 Stray `console.log` in TS/JS — docs/src/scripts/homeHeroAnimation.js:52
Replace with the toast helper, an error boundary, or remove. `console.warn` / `console.error` are acceptable. Why: Hygiene — easy to leak debug output. Rule id: fq.console-leak
Fq console leak
low System graph quality Complexity conf 1.00 Very large file: cmds/exp/cbmem/apu2_linux_test.go (1353 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: cmds/exp/ectool/commands.go (3483 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: pkg/boot/purgatory/asm.go (1563 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: pkg/boot/universalpayload/utilities_test.go (1756 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: pkg/cluster/health/data_test.go (13118 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: pkg/mount/mtd/dat.go (905 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
low System graph quality Complexity conf 1.00 Very large file: pkg/smbios/type4_processor_information.go (924 lines)
Files with >800 lines often hide complexity hotspots and discourage tests.
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