CVE-2021-26119
HIGHCVSS 7.5/10EPSS 9.44%
Last modified
CVE-2021-26119 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode.. EPSS estimates a 9.44% chance of exploitation in the next 30 days.
Description
Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Smarty | Smarty | < 3.1.39 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-06Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5151Third Party Advisory
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-06Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5151Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26119?
Smarty before 3.1.39 allows a Sandbox Escape because $smarty.template_object can be accessed in sandbox mode.
How severe is CVE-2021-26119?
CVE-2021-26119 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 9.44% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26119?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-26119?
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Scan your code nowSource: NVD / NIST