# CVE-2022-4890: abhilash1985 PredictApp Cookie new_framework_defaults_7_0.rb deserialization

> Remote attackers can exploit a deserialization flaw in the cookie handler to execute arbitrary code, requiring a patch.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Jan 2023
- **Updated:** 7 Apr 2025
- **Also known as:** GHSA-p3c9-7hqh-56mx

## What is CVE-2022-4890?

CVE-2022-4890 is a medium-severity unsafe deserialization vulnerability in abhilash1985 PredictApp, published on 16 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, has been found in abhilash1985 PredictApp. This issue affects some unknown processing of the file config/initializers/new_framework_defaults_7_0.rb of the component Cookie Handler. The manipulation leads to deserialization. The attack may be initiated remotely. The patch is named b067372f3ee26fe1b657121f0f41883ff4461a06. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218387.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2022-4890?

It affects 1 product.


Products: Predictapp Project Predictapp.

## How do I fix CVE-2022-4890?

No fix has been published for CVE-2022-4890 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4890 being exploited?

There is no known exploitation of CVE-2022-4890 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4890 and fix it if it is affected.

What it is: CVE-2022-4890 is a medium-severity unsafe deserialization vulnerability in abhilash1985 PredictApp, published on 16 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-4890 in the wild and no public exploit code.

Affected product: abhilash1985 PredictApp. 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-2022-4890/ (Markdown: https://insights.sbomify.com/CVE-2022-4890/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4890
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4890
- OSV: https://osv.dev/vulnerability/CVE-2022-4890

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4890/
Summaries are generated and may contain mistakes; the official description above is the record.