CVE-2026-82531
CRITICAL
9,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
Smarty before 4.5.8 and 5.x before 5.8.5 contains a code injection vulnerability where the top-level nocache_hash is never restored during extends:/multi-component template inheritance, leaving it null. Attackers can supply assigned data containing a forged SmartyNocache marker that is copied verbatim into the regenerated PHP cache file, executing arbitrary PHP on include for remote code execution.
94
Improper Control of Generation of Code ('Code Injection')
DraftCommon Consequences
Security Scopes Affected:
Access Control
Integrity
Confidentiality
Availability
Non-Repudiation
Potential Impacts:
Bypass Protection Mechanism
Gain Privileges Or Assume Identity
Execute Unauthorized Code Or Commands
Hide Activities
Applicable Platforms
Languages:
Interpreted
Technologies:
AI/ML
https://github.com/smarty-php/smarty/security/advisories/GHSA-3w63-v7pm-cq9x
https://github.com/smarty-php/smarty/commit/1cba51cb813563eb61d963c83d28cd59f26…
https://github.com/smarty-php/smarty/commit/c0fdd4824aca4f67e814b50703cfee1dfde…
https://github.com/smarty-php/smarty/releases/tag/v4.5.8
https://github.com/smarty-php/smarty/releases/tag/v5.8.5
https://github.com/smarty-php/smarty/security/advisories/GHSA-3w63-v7pm-cq9x
https://www.vulncheck.com/advisories/smarty-before-4.5.8-and-5-x-before-5.8.5-p…