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

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-13 · updated 2026-09-14
Weakness: CWE-77

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

webgjc web_robot: 2.4.0, 2.5.0, 2.8.0

References

https://vuldb.com/cve/CVE-2026-90492
https://vuldb.com/submit/892352
https://vuldb.com/vuln/403080
https://vuldb.com/vuln/403080/cti

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