Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-82531 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/smarty-php/smarty/security/advisories/GHSA-3w63-v7pm-cq9x CISA-ADP
https://github.com/smarty-php/smarty/commit/1cba51cb813563eb61d963c83d28cd59f26b858d [email protected]
https://github.com/smarty-php/smarty/commit/c0fdd4824aca4f67e814b50703cfee1dfde41414 [email protected]
https://github.com/smarty-php/smarty/releases/tag/v4.5.8 [email protected]
https://github.com/smarty-php/smarty/releases/tag/v5.8.5 [email protected]

see all 7 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-82531
NVD Published Date:
Oct 6, 2026
NVD Last Modified:
Oct 6, 2026
Source:
[email protected]
CVE-2026-82531 Details - Not Deferred