Skip to content
Tools / zot / Security

Security Deep Dive

zot

Security posture and CVE patch evidence from tracked releases.

Back to Tool

1 actively-exploited dependency CVE affects v2.1.17.

KEV-listed CVEs are confirmed exploited in the wild — patch urgently.

Versions by Severity

CVEs are attributed to tracked releases published before the patch release.

4 versions tracked
Version Published C H M L KEV Notes
v2.1.17 2026-05-18
Latest Patches CVE-2026-33634
v2.1.16 2026-04-19 1 KEV 1
v2.1.15 2026-03-08 1 KEV 1
v2.1.14 2026-01-25 2 KEV 1
— Signed — SLSA — SBOM ✓ Security policy Monthly cadence · 41d 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: monthly Present
41d median over recent releases Release history
Latest release: 16d ago
Maintainer active Present
Recent commit activity Repository
Last commit: 3d ago
Checksums (SHA256SUMS) Not active yet
SHA256SUMS or equivalent Release asset
Latest release: 16d ago
GitHub Actions attestation Not active yet
actions/attest-build-provenance Workflow file
Latest release: 16d ago
Signing assets Not active yet
.sig, .crt, cosign.pub, or similar Release asset
Latest release: 16d ago
2.2/10 Security Score
8.1/10 Scorecard
0d avg CVE Patch Speed
Open CVEs Open CVEs detected for latest version.
Patch speed: 0d

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

0.50 / 0.5

Max EPSS 0.294

freshness

1.00 / 1.0

3d stale

scorecard

3.24 / 4.0

Score 8.1/10

cve health

0.00 / 2.5

Open CVEs detected

patch speed

0.50 / 0.5

0d avg

kev exposure

-1.50 / 1.5

KEV exposure detected

supply chain risk

-1.50 / 10.0

Risk 15.0/100

Score breakdown

schema v2

Vulnerability posture

vulnerability posture

0.0

25%

direct cves: open cve scan: available

Release responsiveness

release responsiveness

10.0

5%

patch speed days: 0

Dependency exposure

dependency exposure

8.5

10%

supply chain risk: 15.0 transitive cves: 0c/0h

Provenance trust

provenance trust

8.1

40%

scorecard score: 8.1 openssf badge: none

Maintainer health

maintainer health

10.0

10%

activity freshness: 3d

Operational risk

operational risk

3.0

10%

kev exposure: detected epss max: 0.294
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 15.0/100
0 Transitive critical CVEs
1 KEV-transitive CVEs
100% Dependency freshness

Scorecard

Scorecard 8.1/10

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

Check Score Reason
Maintained 10 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Security-Policy 10 security policy file detected
Dependency-Update-Tool 10 update tool detected
Code-Review 9 Found 27/30 approved changesets -- score normalized to 9
Dangerous-Workflow 10 no dangerous workflow patterns detected
Binary-Artifacts 10 no binaries found in the repo
Token-Permissions 10 GitHub workflow tokens follow principle of least privilege
CII-Best-Practices 5 badge detected: Passing
Packaging 10 packaging workflow detected
Vulnerabilities 0 24 existing vulnerabilities detected
Pinned-Dependencies 7 dependency not pinned by hash detected -- score normalized to 7
Fuzzing 10 project is fuzzed
Signed-Releases 0 Project has not signed or included provenance with any releases.
License 10 license file detected
SAST 10 SAST tool is run on all commits
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
CI-Tests 10 30 out of 30 merged PRs checked by a CI test -- score normalized to 10
Contributors 10 project has 21 contributing companies or organizations

CVE Patch History

Median patch time: 0 days

Tracks CVEs that were addressed in tagged releases. Shorter gap between disclosure and patch = faster response. EPSS = predicted probability of exploitation in next 30 days (FIRST.org); colored at ≥90%ile and ≥50%ile.

CVEs Patched by Year

Critical High Medium Low
2026
3
CVE Severity EPSS Disclosed Fixed in Days to fix vs Ecosystem Median KEV
CVE-2026-33634 HIGH 96%ile v2.1.17 KEV
GHSA-85jx-fm8m-x8c6 High v2.1.15
GO-2026-4668 unknown v2.1.15

KEV = CISA Known Exploited Vulnerabilities catalog — actively exploited in the wild.

Dependency Vulnerabilities

588 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

0

Medium

1

Low

0

Unknown

4

1 dependency vulnerabilities are in KEV.

CISA confirmed these vulnerabilities are actively exploited. Treat as critical priority.

Medium 1 Unknown 4
CVE Severity KEV Dependency Affected version Cleared in release
CVE-2026-41888 medium github.com/distribution/distribution/v3 v3.1.0 v2.1.17
CVE-2020-8911 unknown github.com/aws/aws-sdk-go v1.55.8 v2.1.17
CVE-2020-8912 unknown github.com/aws/aws-sdk-go v1.55.8 v2.1.17
CVE-2026-24122 unknown github.com/sigstore/cosign/v2 v2.6.2 v2.1.17
CVE-2026-33634 unknown KEV github.com/aquasecurity/trivy v0.70.0

Showing 5 of 5

Beta — feedback welcome: [email protected]