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Security Deep Dive

Calibre-Web-Automated

Security posture and CVE patch evidence from tracked releases.

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8 critical dependency CVEs affects v4.0.6.

Audit transitive dependencies; consider upgrading or pinning replacements.

— Signed — SLSA ✓ SBOM ✗ Security policy Weekly cadence · 0d median Sporadic 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 Present
GitHub SBOM API Latest release
Last verified: 28d ago
SECURITY.md Absent
GitHub repository metadata Repository policy
Checked: 18d ago
Release cadence: weekly Present
0d median over recent releases Release history
Latest release: 3mo ago
Maintainer sporadic Present
Recent commit activity Repository
Last commit: 2mo ago
Checksums (SHA256SUMS) Not active yet
SHA256SUMS or equivalent Release asset
Latest release: 3mo ago
GitHub Actions attestation Not active yet
actions/attest-build-provenance Workflow file
Latest release: 3mo ago
Signing assets Not active yet
.sig, .crt, cosign.pub, or similar Release asset
Latest release: 3mo ago
3.6/10 Security Score
Dependency Exposure 100 transitive dependency CVEs found in the latest SBOM. 8 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

0.84 / 1.0

84d stale

scorecard

2.00 / 4.0

⚠ Estimated — not yet collected

cve health

0.00 / 2.5

⚠ No direct scan — 8c/28h 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 88.0/100

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

1.2

10%

supply chain risk: 88.0 transitive cves: 8c/28h

Provenance trust

provenance trust

5.0

40%

scorecard score: estimated openssf badge: none

Maintainer health

maintainer health

8.4

10%

activity freshness: 84d

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 88.0/100
8 Transitive critical CVEs
0 KEV-transitive CVEs
100% Dependency freshness

OpenSSF Badge

OpenSSF none

Badge indicates adherence to open-source best practices.

Dependency Vulnerabilities

97 dependencies scanned View full dependency list →

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

Critical

8

High

28

Medium

57

Low

6

Unknown

1

Still affecting latest (0) All (100)
Critical 8 High 28 Medium 57 Low 6 Unknown 1
CVE Severity KEV Dependency Affected version Cleared in release
CVE-2012-0805 critical — sqlalchemy 1.3.0,< 2.1.0 —
CVE-2017-18342 critical — pyyaml 3.12,< 6.1 —
CVE-2018-20060 critical — urllib3 1.22,< 3.0 —
CVE-2019-7164 critical — sqlalchemy 1.3.0,< 2.1.0 —
CVE-2019-7548 critical — sqlalchemy 1.3.0,< 2.1.0 —
CVE-2020-14343 critical — pyyaml 3.12,< 6.1 —
CVE-2022-44900 critical — py7zr 0.15.0,< 0.21.0 —
CVE-2023-41419 critical — gevent 20.6.0,< 24.12.0 —
CVE-2012-2374 high — tornado 6.4.2,< 6.6 —
CVE-2014-9720 high — tornado 6.4.2,< 6.6 —
CVE-2016-9243 high — cryptography 39.0.0,< 45.0.0 —
CVE-2018-1000656 high — flask 1.0.2,< 3.2.0 —
CVE-2018-18074 high — requests 2.32.0,< 2.33.0 —
CVE-2019-1010083 high — flask 1.0.2,< 3.2.0 —
CVE-2019-11324 high — urllib3 1.22,< 3.0 —
CVE-2020-13757 high — rsa 3.4.2,< 4.10.0 —
CVE-2020-25659 high — cryptography 39.0.0,< 45.0.0 —
CVE-2020-6817 high — bleach 6.0.0,< 6.3.0 —
CVE-2021-21240 high — httplib2 0.9.2,< 0.23.0 —
CVE-2021-42771 high — babel 1.3,< 3.0 —
CVE-2023-30861 high — flask 1.0.2,< 3.2.0 —
CVE-2023-43804 high — urllib3 1.22,< 3.0 —
CVE-2023-50782 high — cryptography 39.0.0,< 45.0.0 —
CVE-2024-52804 high — tornado 6.4.2,< 6.6 —
CVE-2025-47287 high — tornado 6.4.2,< 6.6 —
CVE-2025-66418 high — urllib3 2.5.0 —
CVE-2025-66471 high — urllib3 2.5.0 —
CVE-2026-21441 high — urllib3 2.5.0 —
CVE-2026-26007 high — cryptography 39.0.0,< 45.0.0 —
CVE-2026-30922 high — pyasn1 0.1.9,< 0.7.0 —
CVE-2026-31958 high — tornado 6.4.2,< 6.6 —
CVE-2026-32274 high — black 23.0.0 —
CVE-2026-33752 high — curl-cffi 0.6.0,< 0.7.0 —
CVE-2026-35536 high — tornado 6.4.2,< 6.6 —
CVE-2026-41066 high — lxml 4.9.1,< 5.4.0 —
GHSA-3vpc-4p9p-47hc high — curl-cffi 0.6.0,< 0.7.0 —
CVE-2009-3724 medium — markdown2 2.0.0,< 2.6.0 —
CVE-2013-2037 medium — httplib2 0.9.2,< 0.23.0 —
CVE-2014-1829 medium — requests 2.32.0,< 2.33.0 —
CVE-2014-1830 medium — requests 2.32.0,< 2.33.0 —
CVE-2014-3146 medium — lxml 4.9.1,< 5.4.0 —
CVE-2016-1494 medium — rsa 3.4.2,< 4.10.0 —
CVE-2018-19787 medium — lxml 4.9.1,< 5.4.0 —
CVE-2018-25091 medium — urllib3 1.22,< 3.0 —
CVE-2018-5773 medium — markdown2 2.0.0,< 2.6.0 —
CVE-2019-11236 medium — urllib3 1.22,< 3.0 —
CVE-2020-11078 medium — httplib2 0.9.2,< 0.23.0 —
CVE-2020-11888 medium — markdown2 2.0.0,< 2.6.0 —
CVE-2020-26137 medium — urllib3 1.22,< 3.0 —
CVE-2020-27783 medium — lxml 4.9.1,< 5.4.0 —
CVE-2020-6802 medium — bleach 6.0.0,< 6.3.0 —
CVE-2020-6816 medium — bleach 6.0.0,< 6.3.0 —
CVE-2021-23980 medium — bleach 6.0.0,< 6.3.0 —
CVE-2021-28957 medium — lxml 4.9.1,< 5.4.0 —
CVE-2021-43818 medium — lxml 4.9.1,< 5.4.0 —
CVE-2021-46823 medium — python-ldap 3.0.0,< 3.5.0 —
CVE-2022-2309 medium — lxml 4.9.1,< 5.4.0 —
CVE-2023-28370 medium — tornado 6.4.2,< 6.6 —
CVE-2023-45803 medium — urllib3 1.22,< 3.0 —
CVE-2024-0727 medium — cryptography 39.0.0,< 45.0.0 —
CVE-2024-21503 medium — black 23.0.0 —
CVE-2024-35195 medium — requests 2.32.0,< 2.33.0 —
CVE-2024-37891 medium — urllib3 1.22,< 3.0 —
CVE-2024-47081 medium — requests 2.32.0,< 2.33.0 —
CVE-2025-50181 medium — urllib3 1.22,< 3.0 —
CVE-2025-61911 medium — python-ldap 3.0.0,< 3.5.0 —
CVE-2025-61912 medium — python-ldap 3.0.0,< 3.5.0 —
CVE-2025-62707 medium — pypdf 6.0.0 —
CVE-2025-62708 medium — pypdf 6.0.0 —
CVE-2025-66019 medium — pypdf 6.0.0 —
CVE-2025-71176 medium — pytest 7.4.0 —
CVE-2026-24688 medium — pypdf 6.0.0 —
CVE-2026-25645 medium — requests 2.32.4 —
CVE-2026-27024 medium — pypdf 6.0.0 —
CVE-2026-27025 medium — pypdf 6.0.0 —
CVE-2026-27026 medium — pypdf 6.0.0 —
CVE-2026-27888 medium — pypdf 6.0.0 —
CVE-2026-28351 medium — pypdf 6.0.0 —
CVE-2026-28804 medium — pypdf 6.0.0 —
CVE-2026-31826 medium — pypdf 6.0.0 —
CVE-2026-33123 medium — pypdf 6.0.0 —
CVE-2026-33699 medium — pypdf 6.0.0 —
CVE-2026-34531 medium — flask-httpauth 4.4.0,< 5.0.0 —
CVE-2026-40260 medium — pypdf 6.0.0 —
CVE-2026-41168 medium — pypdf 6.0.0 —
CVE-2026-41312 medium — pypdf 6.0.0 —
CVE-2026-41313 medium — pypdf 6.0.0 —
CVE-2026-41314 medium — pypdf 6.0.0 —
GHSA-753j-mpmx-qq6g medium — tornado 6.4.2,< 6.6 —
GHSA-78cv-mqj4-43f7 medium — tornado 6.4.2,< 6.6 —
GHSA-qppv-j76h-2rpx medium — tornado 6.4.2,< 6.6 —
GHSA-r8wq-qrxc-hmcm medium — python-ldap 3.0.0,< 3.5.0 —
GHSA-w235-7p84-xx57 medium — tornado 6.4.2,< 6.6 —
CVE-2023-49297 low — pydrive2 1.3.1,< 1.22.0 —
CVE-2026-22690 low — pypdf 6.0.0 —
CVE-2026-22691 low — pypdf 6.0.0 —
CVE-2026-27205 low — flask 1.0.2,< 3.2.0 —
CVE-2026-27628 low — pypdf 6.0.0 —
CVE-2026-34073 low — cryptography 39.0.0,< 45.0.0 —
CVE-2021-33503 unknown — urllib3 1.22,< 3.0 —

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