OCTOBER 10, 2026
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Case File

CVE-2026-79310

HIGH · CVSS 8.5 EPSS 0.72% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-23 · Last synced 2026-10-10

CyberRota Analysis

AI-Generated

Web.py version 0.76 is susceptible to server-side template injection, allowing attackers to execute arbitrary Python code and OS commands on the server. This vulnerability arises when an application precompiles templates from a writable directory, bypassing built-in security checks. Developers and organizations using this version of web.py should prioritize patching or upgrading to mitigate potential exploitation risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-79310
Severity
HIGH
CVSS
8.5
EPSS
0.72%

Original NVD Description

webpy web.py 0.76 is vulnerable to server-side template injection (SSTI). The template engine can be tricked into executing attacker-controlled template code that built-in security checks are designed to reject. When an application precompiles templates from a directory the attacker can write to and later renders them through the precompiled template loader, the sandbox is bypassed and the attacker's code runs, resulting in arbitrary Python code execution and OS command execution on the server.