Vulnerability Details CVE-2026-46634
Twig is a template language for PHP. From 3.9.0 until 3.26.0, template_from_string() compiles an inner template under a synthesized __string_template__<hash> name that can fall outside a SourcePolicyInterface sandbox decision, allowing a sandboxed template that can call template_from_string and include to render an inner template without security policy enforcement. This issue is fixed in version 3.26.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 25.2%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-46634
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cpe:2.3:a:symfony:twig:3.10.0
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cpe:2.3:a:symfony:twig:3.10.1
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cpe:2.3:a:symfony:twig:3.10.2
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cpe:2.3:a:symfony:twig:3.10.3
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cpe:2.3:a:symfony:twig:3.11.0
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cpe:2.3:a:symfony:twig:3.11.1
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cpe:2.3:a:symfony:twig:3.11.2
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cpe:2.3:a:symfony:twig:3.11.3
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cpe:2.3:a:symfony:twig:3.12.0
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cpe:2.3:a:symfony:twig:3.13.0
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cpe:2.3:a:symfony:twig:3.14.0
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cpe:2.3:a:symfony:twig:3.14.1
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cpe:2.3:a:symfony:twig:3.14.2
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cpe:2.3:a:symfony:twig:3.15.0
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cpe:2.3:a:symfony:twig:3.16.0
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cpe:2.3:a:symfony:twig:3.17.0
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cpe:2.3:a:symfony:twig:3.17.1
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cpe:2.3:a:symfony:twig:3.18.0
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cpe:2.3:a:symfony:twig:3.19.0
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cpe:2.3:a:symfony:twig:3.20.0
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cpe:2.3:a:symfony:twig:3.21.0
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cpe:2.3:a:symfony:twig:3.21.1
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cpe:2.3:a:symfony:twig:3.22.0
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cpe:2.3:a:symfony:twig:3.22.1
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cpe:2.3:a:symfony:twig:3.22.2
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cpe:2.3:a:symfony:twig:3.23.0
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cpe:2.3:a:symfony:twig:3.24.0
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cpe:2.3:a:symfony:twig:3.25.0
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cpe:2.3:a:symfony:twig:3.9.0
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cpe:2.3:a:symfony:twig:3.9.1
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cpe:2.3:a:symfony:twig:3.9.2
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cpe:2.3:a:symfony:twig:3.9.3