Vulnerability · Published Nov 15, 2024 · Assigned by @huntr_ai

CVE-2021-3986Information Disclosure in janeczku/calibre-web

Medium 4.3

In plain English

A medium-severity security flaw in janeczku/calibre-web from janeczku. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)4.3Medium
Exploit odds (30 days)0.4%top 68.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they do not own. This vulnerability discloses private information and affects all versions prior to the fix.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIcalibreweb0.6.15GHSA-m982-h4f8-g4hf
PyPIcalibreweb0.6.15PYSEC-2026-1232

Affected products (as reported)

VendorProductVersions
janeczku janeczku/calibre-web unspecified – through latest

Weakness: CWE-209 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References