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Vulnerability record · CVE-2021-26119 · published 22 February 2021
CVE-2021-26119: Smarty vulnerability
Smarty · Smarty
Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode.
7.5 CVSS 3.1 High EPSS 9.4% · top 4.7%
7.5CVSS 3.1 base score, v2 5.0
9.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD
Description
Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md | Release NotesThird Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html | Mailing ListThird Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html | Mailing ListThird Party Advisory |
| https://security.gentoo.org/glsa/202105-06 | PatchThird Party Advisory |
| https://www.debian.org/security/2022/dsa-5151 | Third Party Advisory |
| https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md | Release NotesThird Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html | Mailing ListThird Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html | Mailing ListThird Party Advisory |
| https://security.gentoo.org/glsa/202105-06 | PatchThird Party Advisory |
| https://www.debian.org/security/2022/dsa-5151 | Third Party Advisory |
Track CVE-2021-26119 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
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Source: NIST National Vulnerability Database (record CVE-2021-26119), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
