# CVE-2022-31033: Mechanize before v2.8.5 vulnerable to authorization header leak on port redirect

Source: https://junglewise.ai/threats/cve-2022-31033-mechanize-before-v2-8-5-vulnerable-to-authorization-header-leak  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-06-09  
License: CC BY 4.0 with a link back

CVE-2022-31033 · Severity: low · CVSS 3.1 · Published 2022-06-09

Mechanize before v2.8.5 vulnerable to authorization header leak on port redirect

Technologies: [mechanize (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-mechanize). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2022-31033 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-31033 being exploited in the wild.

**How severe is CVE-2022-31033?** Low severity, with a CVSS score of 3.1, published 9 June 2022.

**Which products and versions are affected?** mechanize (RubyGems) ECOSYSTEM:introduced=0,fixed=2.8.5.

**Is there a fix for CVE-2022-31033?** Yes. mechanize (RubyGems): upgrade to 2.8.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-31033?** Check whether you run mechanize (RubyGems) 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

- mechanize (RubyGems): upgrade to 2.8.5 or later

  ```sh
  bundle update mechanize
  ```


## Affected products

- mechanize (RubyGems) ECOSYSTEM:introduced=0,fixed=2.8.5

## Identifiers

- CVE-2022-31033
- GHSA-64qm-hrgp-pgr9

## Related threats

- [Mechanize HTTP credential leakage via redirect](https://junglewise.ai/threats/cve-2026-107715-mechanize-sends-credential-headers-to-another-host-after-an-http)
- [Mechanize credential leak via meta refresh redirect](https://junglewise.ai/threats/cve-2026-107399-mechanize-sends-credential-headers-to-another-origin-after-a)
- [Command Injection Vulnerability in Mechanize](https://junglewise.ai/threats/cve-2021-21289-command-injection-vulnerability-in-mechanize)