Vulnerability · Published Sep 13, 2026 · Assigned by VulDB

CVE-2026-90492webgjc web_robot web.py controller_recover os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in web_robot from webgjc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)2.4%top 15.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in webgjc web_robot 2.4.0/2.5.0/2.8.0. The affected element is the function controller_listen/controller_recover of the file py/web.py. The manipulation of the argument case_name leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
webgjc	web_robot	2.4.02.5.02.8.0

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-403080 | webgjc web_robot web.py controller_recover os command injection vdb-entry, technical-description
VDB-403080 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-90492 | CVE Analysis and Report third-party-advisory
Submit #892352 | webgjc web_robot 2.8.0 OS Command Injection third-party-advisory