CVE-2023-2106 Weak Password Requirements in janeczku/calibre-web
High 7.3
Published
Updated
Check this codebase for CVE-2023-2106 and fix it if it is affected.
What it is: CVE-2023-2106 is a high-severity vulnerability in janeczku/calibre-web, published on 15 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2106 exists.
Affected packages and fixed versions:
- calibreweb (PyPI): affected all versions; fixed in 0.6.20
- calibreweb (PyPI): affected all versions; fixed in 0.6.20
- calibreweb (PyPI): affected all versions; fixed in 0.6.20
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-2106/ (Markdown: https://insights.sbomify.com/CVE-2023-2106/index.md)
Calibre Web allows weak passwords, potentially enabling attackers to guess credentials and take over user accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-2106?
CVE-2023-2106 is a high-severity vulnerability in janeczku/calibre-web, published on 15 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Weak Password Requirements in GitHub repository janeczku/calibre-web prior to 0.6.20.
Weakness: CWE-521
Which versions are affected by CVE-2023-2106?
3 open source packages ship an affected version, including calibreweb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
calibreweb PyPI | All versions | 0.6.20 |
calibreweb PyPI | All versions | 0.6.20 |
calibreweb PyPI | All versions | 0.6.20 |
Products include Janeczku Calibre-Web.
How do I fix CVE-2023-2106?
Upgrade calibreweb to 0.6.20 or later.
Is CVE-2023-2106 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2106 exists.
Other vulnerabilities in janeczku/calibre-web
- CVE-2022-30765 SQL injection in calibreweb
- CVE-2020-12627 Hardcoded credentials in n/a
- CVE-2022-0990 Server-Side Request Forgery (SSRF) in janeczku/calibre-web
- CVE-2022-0767 Server-Side Request Forgery (SSRF) in janeczku/calibre-web
- CVE-2022-0939 Server-Side Request Forgery (SSRF) in janeczku/calibre-web
Sources
Also known as GHSA-mhmp-m6g7-7c24, PYSEC-2026-1233.