# CVE-2026-65311: ANDRITZ HIPASE-250 missing authentication for logging configuration

Source: https://junglewise.ai/threats/cve-2026-65311-andritz-hipase-250-missing-authentication-for-logging  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-31. Updated: 2026-07-31  
License: CC BY 4.0 with a link back

CVE-2026-65311 · Severity: medium · CVSS 5.3 · Published 2026-07-31

ANDRITZ HIPASE-250, a protection and control device used in power plants and industrial automation, contains a security flaw in its web server. An unauthorized person can access a hidden setting to change or disable the system's activity logs. This could allow an attacker to hide their tracks while performing other malicious actions, making it difficult for operators to detect a security breach.

Technologies: [ANDRITZ 250 SCALA](https://junglewise.ai/threats/technologies/250-scala), [ANDRITZ HIPASE-250](https://junglewise.ai/threats/technologies/hipase-250). Vendors: [ANDRITZ](https://junglewise.ai/threats/vendors/andritz).

## Quick answers

**Is CVE-2026-65311 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-65311 being exploited in the wild.

**How severe is CVE-2026-65311?** Medium severity, with a CVSS score of 5.3, published 31 July 2026.

**Which products and versions are affected?** ANDRITZ 250 SCALA <= 7.20; ANDRITZ HIPASE-250 <= 7.20.

**Is there a fix for CVE-2026-65311?** 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-2026-65311 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-65311?** Check whether you run ANDRITZ 250 SCALA or ANDRITZ HIPASE-250 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

A vulnerability exists in the HTTP server component of ANDRITZ HIPASE-250 and 250 SCALA due to missing authentication for a critical function (CWE-306). The software exposes an undocumented endpoint that allows a remote, unauthenticated attacker with network access to the service to modify the server's logging level and destination. By suppressing audit logging, an attacker can effectively hide their presence and subsequent actions on the system. The vulnerability is present in versions up to and including 7.20, and is addressed in version 8.00.

## Affected products

- ANDRITZ HIPASE-250 <= 7.20
- ANDRITZ 250 SCALA <= 7.20

## Timeline

- 2026-07-31: advisory: NVD publication date
- 2026-07-31: disclosed: Initial disclosure by CyberDanube

## References

- [https://www.andritz.com/](https://www.andritz.com/)

## Related threats

- [ANDRITZ HIPASE-250 hard-coded x11vnc password in provisioning script](https://junglewise.ai/threats/cve-2026-65313-andritz-hipase-250-hard-coded-x11vnc-password-in-provisioning)
- [ANDRITZ HIPASE-250 missing authentication in data endpoint](https://junglewise.ai/threats/cve-2026-65310-andritz-hipase-250-missing-authentication-in-data-endpoint)
- [ANDRITZ HIPASE-250 reversible password storage and transmission](https://junglewise.ai/threats/cve-2026-65309-andritz-hipase-250-reversible-password-storage-and-transmission)