CVE-2026-82447
Last modified
CVE-2026-82447 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Skyvern before 1.0.45 contains a sandbox escape vulnerability in TextPromptBlock that renders prompts twice, first through a sandboxed Jinja environment and then through an unsandboxed environment. Attackers can inject malicious Jinja template syntax through workflow parameters or upstream block output to execute arbitrary code with server process privileges.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
Description
Skyvern before 1.0.45 contains a sandbox escape vulnerability in TextPromptBlock that renders prompts twice, first through a sandboxed Jinja environment and then through an unsandboxed environment. Attackers can inject malicious Jinja template syntax through workflow parameters or upstream block output to execute arbitrary code with server process privileges.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Skyvern-AI | skyvern | >= 0.2.1, < 1.0.45 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-82447?
How severe is CVE-2026-82447?
How do I fix CVE-2026-82447?
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.
Related CVEs from 2026
- CVE-2026-82421A vulnerability was identified in itsourcecode Sales and Inv…6.3
- CVE-2026-82422A security flaw has been discovered in itsourcecode Sales an…6.3
- CVE-2026-82423A vulnerability has been found in macrozheng mall up to 1.0.…5.4
- CVE-2026-82424A weakness has been identified in PHPGurukul Student Informa…6.3
- CVE-2026-8243A vulnerability was determined in Industrial Application Sof…6.9
- CVE-2026-8244A vulnerability was identified in Industrial Application Sof…5.5
- CVE-2026-82448Shinobi before commit 5a76c74f contains a hardcoded connecti…9.8
- CVE-2026-82449Cockpit CMS before 2.14.1 contains an account enumeration vu…5.3
- CVE-2026-8245Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS …5.4
- CVE-2026-82450BookStack before 26.05.4 contains a remote code execution vu…8.8
- CVE-2026-82451Formwork before 2.3.11 contains a stored cross-site scriptin…6.1
- CVE-2026-82452rust-iot-platform through commit 5df942ab contains an authen…9.8
Are you affected by CVE-2026-82447?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST