Remote code execution via Eloquent method forwarding
Published Aug 25, 2026 · Updated Aug 26, 2026
Twig sandbox escape in Winter CMS 1.2.7 through 1.2.12 allows remote authenticated users to execute code through crafted templates. System\Twig\SecurityPolicy uses a flat method blocklist that misses Eloquent model forwarding into query builders, relations, connections, and callable-executing collections. Exploitation requires a backend account with page, layout, or partial editing permission and permits arbitrary database access, SQL execution, and PHP code execution.
Summary
What happened
Twig sandbox escape in Winter CMS 1.2.7 through 1.2.12 allows remote authenticated users to execute code through crafted templates. System\Twig\SecurityPolicy uses a flat method blocklist that misses Eloquent model forwarding into query builders, relations, connections, and callable-executing collections. Exploitation requires a backend account with page, layout, or partial editing permission and permits arbitrary database access, SQL execution, and PHP code execution.
The record
- CVE
- CVE-2026-79774
- Published
- Aug 25, 2026
- Updated
- Aug 26, 2026
- Vendor
- Winter CMS
- Product
- Winter CMS
- Classifications
- CWE-693
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Aug 25, 2026CVE publishedPublication date reported by the CVE source.
- Aug 26, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.2.7 <1.2.13
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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