Categories
CVE-2026-54242 medium CVSS 4.9

Vulnerability in statamic/cms (CVE-2026-54242)

Summary

Vulnerability in statamic/cms (CVE-2026-54242). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 5.73.24 or later.

Original description

The description as published by the source.

Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.24 and 6.20.1, the Glide image proxy's URL validation in src/Imaging/RemoteUrlValidator.php and src/Imaging/GuzzleAdapter.php could be bypassed using DNS rebinding. The remote hostname was validated as publicly routable, but resolved again when the image was actually fetched, so an attacker controlling the hostname's DNS could rebind it to an internal address after validation and cause the server to make HTTP requests to internal addresses, including loopback, private network, and cloud metadata endpoints. This affects sites that pass user-supplied URLs to Glide. This issue is fixed in versions 5.73.24 and 6.20.1.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-54242 has been found in statamic/cms.
Risk of unauthorized operations or information disclosure. CVSS score: 4.9/10.
What to do: upgrade statamic/cms to 5.73.24 or later.
If unsure, ask your IT team or search "statamic/cms CVE-2026-54242" on the vendor's site.

CVE-2026-54242 (statamic/cms) — CWE-367 / CVSS v3 4.9
Attack vector: remote (network-reachable) / no user interaction
Patched: 5.73.24 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-367) exists in statamic/cms.

📍 Affected scope

Check the vendor advisory for the affected versions of statamic/cms.

🔥 Severity

Severity: Medium (CVSS 4.9/10). Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to 5.73.24.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'statamic/cms' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify
    grep -r 'statamic/cms' . | grep -v node_modules

    リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で statamic/cms を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch
    Upgrade statamic/cms to 5.73.24

    ステージング環境で 5.73.24 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  3. 3
    Post-deployment verification verify
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

composer statamic/cms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.20.1"}]}]
Packagist statamic/cms
[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.20.1"}]}]

References

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