# CVE-2025-27820: Apache HttpClient disables domain checks

Source: https://junglewise.ai/threats/cve-2025-27820-apache-httpclient-disables-domain-checks  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-04-24  
License: CC BY 4.0 with a link back

CVE-2025-27820 · Severity: low · CVSS 3.1 · Published 2025-04-24

Apache HttpClient disables domain checks

Technologies: [org.apache.httpcomponents.client5:httpclient5 (Maven)](https://junglewise.ai/threats/technologies/org-apache-httpcomponents-client5-httpclient5). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2025-27820 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-27820 being exploited in the wild.

**How severe is CVE-2025-27820?** Low severity, with a CVSS score of 3.1, published 24 April 2025.

**Which products and versions are affected?** org.apache.httpcomponents.client5:httpclient5 (Maven) ECOSYSTEM:introduced=5.4-alpha1,fixed=5.4.3.

**Is there a fix for CVE-2025-27820?** Yes. org.apache.httpcomponents.client5:httpclient5 (Maven): upgrade to 5.4.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-27820?** Check whether you run org.apache.httpcomponents.client5:httpclient5 (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.httpcomponents.client5:httpclient5 (Maven): upgrade to 5.4.3 or later

  ```sh
  # set org.apache.httpcomponents.client5:httpclient5 to 5.4.3 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.httpcomponents.client5:httpclient5 (Maven) ECOSYSTEM:introduced=5.4-alpha1,fixed=5.4.3

## Identifiers

- CVE-2025-27820
- GHSA-73m2-qfq3-56cx

## Related threats

- [Apache HttpComponents Client resource leak in classic I/O model](https://junglewise.ai/threats/cve-2026-64607-apache-httpcomponents-client-resource-leak-in-classic-i-o-model)
- [Apache HttpClient authentication bypass in SCRAM-SHA-256](https://junglewise.ai/threats/cve-2026-40542-apache-httpclient-authentication-bypass-in-scram-sha-256)
