# CVE-2026-82777: Contec CONPROSYS PAC OS command injection

Source: https://junglewise.ai/threats/cve-2026-82777-contec-conprosys-pac-os-command-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-82777 · Severity: high · CVSS 8.8 · Published 2026-09-14

Contec CONPROSYS PAC Series is an industrial programmable logic controller and gateway platform used to connect and manage field devices in manufacturing environments. A command injection vulnerability in authenticated sessions allows an attacker with valid login credentials to execute arbitrary system commands with full system privileges, potentially disrupting production operations or accessing sensitive industrial data.

Vendors: [Contec](https://junglewise.ai/threats/vendors/contec).

## Quick answers

**Is CVE-2026-82777 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-82777 being exploited in the wild.

**How severe is CVE-2026-82777?** High severity, with a CVSS score of 8.8, published 14 September 2026.

**Which products and versions are affected?** Contec CONPROSYS PAC Configurable Type prior to 3.0.0; Contec CONPROSYS PAC Integrated Type prior to 3.0.0.

**Is there a fix for CVE-2026-82777?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-82777 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-82777?** Check whether you run Contec CONPROSYS PAC Configurable Type or Contec CONPROSYS PAC Integrated Type at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an improper neutralization of special elements in OS command construction (CWE-78, OS Command Injection). The flaw exists in the CONPROSYS PAC Series and requires authentication—an attacker must have valid login credentials to exploit it. The vulnerability allows arbitrary OS command execution, which could lead to complete system compromise, data theft, or denial of service. Affected versions are: CONPROSYS PAC Integrated Type (CPS-PC341) prior to 3.0.0 and Configurable type (CPS-PCS341) prior to 3.0.0. Patched versions 3.0.0 and later have been released.

## Affected products

- Contec CONPROSYS PAC Integrated Type prior to 3.0.0
- Contec CONPROSYS PAC Configurable Type prior to 3.0.0

## Timeline

- 2026-09-10: disclosed
- 2026-09-14: advisory

## References

- [https://jvn.jp/en/vu/JVNVU96551518/](https://jvn.jp/en/vu/JVNVU96551518/)
- [https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf](https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf)