Vulnerability · Published Jan 17, 2022 · Assigned by @huntrdev
CVE-2021-4171Business Logic Errors in janeczku/calibre-web
High 7.7
In plain English
A high-severity security flaw in janeczku/calibre-web from janeczku. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.7High
Exploit odds (30 days)1.4%top 27.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
calibre-web is vulnerable to Business Logic Errors
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | calibreweb | 0.6.15 | GHSA-xp7p-3gx7-j6wx |
| PyPI | calibreweb | 0.6.15 | PYSEC-2026-307 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| janeczku | janeczku/calibre-web | unspecified – before 0.6.15 |
Weakness: CWE-840 · Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H