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GHSA-58q2-9x27-h2jm solspace/craft-freeform

Fix: axios/axios#7011

GHSA-58q2-9x27-h2jm is a security vulnerability in solspace/craft-freeform. A fix is available for solspace/craft-freeform — see the affected versions and patch details below.

solspace/craft-freeform Has a DoS Vulnerability

Published
Jan 15, 2026
Updated
Feb 3, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Feb 3, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐘solspace/craft-freeform

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Summary

Freeform plugin v4.1.29 uses vulnerable Axios ^1.7.7 allowing unauthenticated attackers to crash servers via malicious data: URIs causing memory exhaustion (CVE-2025-58754).

Freeform version: 4.1.29 Craft CMS version: 4.16.8

Impact

When Axios runs on Node.js and is given a URL with the data: scheme, it does not perform HTTP. Instead, its Node http adapter decodes the entire payload into memory (Buffer/Blob) and returns a synthetic 200 response. This path ignores maxContentLength / maxBodyLength (which only protect HTTP responses), so an attacker can supply a very large data: URI and cause the process to allocate unbounded memory and crash (DoS), even if the caller requested responseType: 'stream'.

https://github.com/axios/axios/security/advisories/GHSA-4hjh-wcwx-xvwj https://github.com/axios/axios/pull/7011 https://github.com/axios/axios/commit/945435fc51467303768202250debb8d4ae892593 https://github.com/axios/axios/releases/tag/v1.12.0

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsolspace/craft-freeformall versions4.1.30composer require solspace/craft-freeform:^4.1.30

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for solspace/craft-freeform, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update solspace/craft-freeform to 4.1.30 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-58q2-9x27-h2jm is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-58q2-9x27-h2jm can be triaged on real exposure rather than presence alone.

Tailored to GHSA-58q2-9x27-h2jm. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Summary Freeform plugin v4.1.29 uses vulnerable Axios ^1.7.7 allowing unauthenticated attackers to crash servers via malicious data: URIs causing memory exhaustion (CVE-2025-58754). Freeform version: 4.1.29 Craft CMS version: 4.16.8 ### Impact When Axios runs on Node.js and is given a URL with the `data:` scheme, it does not perform HTTP. Instead, its Node http adapter decodes the entire payload into memory (`Buffer`/`Blob`) and returns a synthetic 200 response. This path ignores `maxContentLength` / `maxBodyLength` (which only protect HTTP responses), so an attacker can supply a very la
O3 Security · Impact-Aware SCA

Is GHSA-58q2-9x27-h2jm in your dependencies?

O3 Security finds GHSA-58q2-9x27-h2jm across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-58q2-9x27-h2jm: solspace/craft DoS | O3 Security