# CVE-2022-2651: Authentication Bypass by Primary Weakness in bookwyrm-social/bookwyrm

> An authentication bypass vulnerability in Bookwyrm allows attackers to gain unauthorized access to user accounts.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Aug 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-mpr5-m5gh-62gw

## What is CVE-2022-2651?

CVE-2022-2651 is a critical authentication bypass vulnerability in bookwyrm-social/bookwyrm, published on 4 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Authentication Bypass by Primary Weakness in GitHub repository bookwyrm-social/bookwyrm prior to 0.4.5.

Weakness: CWE-305 (Authentication Bypass by Primary Weakness)

## Which versions are affected by CVE-2022-2651?

It affects 1 product.


Products: Joinbookwyrm Bookwyrm.

## How do I fix CVE-2022-2651?

No fix has been published for CVE-2022-2651 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2651 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2651 exists.

Public exploit code:

- Bookwyrm v0.4.3 - Authentication Bypass (exploitdb)

## Other vulnerabilities in bookwyrm-social/bookwyrm

- [CVE-2022-23644](https://insights.sbomify.com/CVE-2022-23644/): Server-side request forgery in BookWyrm (high 8.8)
- [CVE-2022-35953](https://insights.sbomify.com/CVE-2022-35953/): URL Redirection to Untrusted Site ('Open Redirect') in bookwyrm (high 7.1)
- [CVE-2022-31136](https://insights.sbomify.com/CVE-2022-31136/): Cross-site Scripting in BookWyrm (medium 6.3)
- [CVE-2022-35925](https://insights.sbomify.com/CVE-2022-35925/): Missing rate limit in Authentication in bookwyrm (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2651 and fix it if it is affected.

What it is: CVE-2022-2651 is a critical authentication bypass vulnerability in bookwyrm-social/bookwyrm, published on 4 Aug 2022. 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-2022-2651 exists.

Affected product: bookwyrm-social/bookwyrm. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2022-2651/ (Markdown: https://insights.sbomify.com/CVE-2022-2651/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2651
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2651
- OSV: https://osv.dev/vulnerability/CVE-2022-2651

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2651/
Summaries are generated and may contain mistakes; the official description above is the record.