Is CVE-2025-71406 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-71406 being exploited in the wild.

How severe is CVE-2025-71406?

Low severity, with a CVSS score of 3.1, published 25 August 2026.

Which products and versions are affected?

nokogiri (RubyGems) ECOSYSTEM:introduced=0,fixed=1.18.4.

Is there a fix for CVE-2025-71406?

Yes. nokogiri (RubyGems): upgrade to 1.18.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2025-71406?

Check whether you run nokogiri (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.

CVE-2025-71406: rejected duplicate

CVE-2025-71406 · Severity: low · CVSS 3.1 · Published 2026-08-25

This CVE ID has been rejected by NVD as a duplicate of an existing vulnerability report. No technical details or affected products can be determined from the available information.

Technologies: nokogiri (RubyGems). Vendors: RubyGems.

Quick answers

Is CVE-2025-71406 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2025-71406 being exploited in the wild.
How severe is CVE-2025-71406?: Low severity, with a CVSS score of 3.1, published 25 August 2026.
Which products and versions are affected?: nokogiri (RubyGems) ECOSYSTEM:introduced=0,fixed=1.18.4.
Is there a fix for CVE-2025-71406?: Yes. nokogiri (RubyGems): upgrade to 1.18.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-71406?: Check whether you run nokogiri (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

nokogiri (RubyGems): upgrade to 1.18.4 or later
```
bundle update nokogiri
```

Affected products

nokogiri (RubyGems) ECOSYSTEM:introduced=0,fixed=1.18.4

Identifiers

CVE-2025-71406
GHSA-mrxw-mxhj-p664

Timeline

2026-08-25: other: CVE ID rejected as duplicate on NVD

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