CVE-2026-64663: CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') in statamic cms
A vulnerability in Statamic CMS prior to versions 5.74.1 and 6.24.0 allows unauthenticated attackers to manipulate user-supplied input in Antlers templates, potentially causing loss of content and assets. The issue arises from unsafe reflection due to externally-controlled input. This vulnerability has a medium severity score and is fixed in the specified versions.
AI Analysis
Technical Summary
CVE-2026-64663 is a CWE-470 (Unsafe Reflection) vulnerability in Statamic CMS, a Laravel and Git-powered content management system. Before versions 5.74.1 and 6.24.0, user input incorporated into Antlers templates could be manipulated without authentication, leading to potential loss of content and assets on affected sites. The vulnerability is due to unsafe reflection where external input controls class or code selection. The issue is resolved in versions 5.74.1 and 6.24.0.
Potential Impact
Exploitation can result in loss of content and assets on vulnerable Statamic CMS sites. The vulnerability does not require authentication, increasing the risk of exploitation. However, the CVSS score of 6.5 indicates a medium severity impact with no confidentiality loss, limited integrity impact, and high availability impact.
Mitigation Recommendations
Upgrade Statamic CMS to version 5.74.1 or later, or 6.24.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-64663: CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') in statamic cms
Description
A vulnerability in Statamic CMS prior to versions 5.74.1 and 6.24.0 allows unauthenticated attackers to manipulate user-supplied input in Antlers templates, potentially causing loss of content and assets. The issue arises from unsafe reflection due to externally-controlled input. This vulnerability has a medium severity score and is fixed in the specified versions.
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/statamic/cmsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64663 is a CWE-470 (Unsafe Reflection) vulnerability in Statamic CMS, a Laravel and Git-powered content management system. Before versions 5.74.1 and 6.24.0, user input incorporated into Antlers templates could be manipulated without authentication, leading to potential loss of content and assets on affected sites. The vulnerability is due to unsafe reflection where external input controls class or code selection. The issue is resolved in versions 5.74.1 and 6.24.0.
Potential Impact
Exploitation can result in loss of content and assets on vulnerable Statamic CMS sites. The vulnerability does not require authentication, increasing the risk of exploitation. However, the CVSS score of 6.5 indicates a medium severity impact with no confidentiality loss, limited integrity impact, and high availability impact.
Mitigation Recommendations
Upgrade Statamic CMS to version 5.74.1 or later, or 6.24.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-07-20T17:11:30.896Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a750707bf8831d5395f5ad2
Added to database: 08/06/2026, 22:13:27 UTC
Last enriched: 08/06/2026, 22:57:30 UTC
Last updated: 08/07/2026, 01:29:02 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.