How severe is CVE-2025-7404?

No CVSS score has been assigned to CVE-2025-7404 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2025-7404?

CVE-2025-7404 affects the following packages: calibreweb (PyPI). Ecosystems affected: PyPI.

How do I fix CVE-2025-7404?

The records we use list no patched version of calibreweb for CVE-2025-7404. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

How do I detect CVE-2025-7404 in my PyPI dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for calibreweb, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2025-7404 if there is no patch (or I can't update yet)?

Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Is CVE-2025-7404 actively exploited in the wild?

No public exploit code has been indexed for CVE-2025-7404 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2025-7404?

CVE-2025-7404 has an EPSS (Exploit Prediction Scoring System) score of 2.8%, placing it in the 86th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2025-7404?

CVE-2025-7404 is classified as OS Command Injection (CWE-78). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2025-7404 published, and has it been updated?

CVE-2025-7404 was published on July 24, 2025 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

Not in CISA KEV

CVE-2025-7404 — calibreweb

CVE-2025-7404 is a OS Command Injection vulnerability in calibreweb. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Calibre Web 0.6.24 & Autocaliweb 0.7.0 - Blind C

Also known asGHSA-qc4j-v7h6-xr5hPYSEC-2026-1235

Published

Jul 24, 2025

Updated

Oct 28, 2026

Affected

1 pkg

Patched

See advisory

Exploits

None indexed

Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-7404.

EPSS Exploitation Probability

via FIRST.org ↗

2.8%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs86th percentile — riskier than 86% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐍calibreweb

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Calibre Web, Autocaliweb allows Blind OS Command Injection. This issue affects Calibre Web: 0.6.24 (Nicolette); Autocaliweb: from 0.7.0 before 0.7.1.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`calibreweb`	all versions	No fix

Affected Products

2 products · 2 configurations

Application

autocaliwebgelbphoenix

1 version

0.7.0

Application

calibre-webjaneczku

1 version

0.6.24

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for calibreweb, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
The records we use list no patched version of calibreweb for CVE-2025-7404. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.
Mitigate without a patch
Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

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