CVE-2026-25850: OpenHarmony improper preservation of permissions information leak

CVE-2026-25850 · Severity: medium · CVSS 5.5 · Published 2026-05-19

A security vulnerability in the OpenHarmony operating system allows a local user to access sensitive information that should be protected. This issue stems from improper permission management within the system. An attacker with existing access to a device could exploit this to view private data, potentially compromising user privacy or system integrity.

Technologies: OpenHarmony. Vendors: OpenHarmony.

Quick answers

Is CVE-2026-25850 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-25850 being exploited in the wild.
How severe is CVE-2026-25850?
Medium severity, with a CVSS score of 5.5, published 19 May 2026.
Which products and versions are affected?
OpenHarmony v6.0 and prior versions.
Is there a fix for CVE-2026-25850?
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-2026-25850 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-25850?
Check whether you run OpenHarmony 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

An information disclosure vulnerability exists in OpenHarmony v6.0 and earlier versions. The flaw is categorized as CWE-281 (Improper Preservation of Permissions), where the system fails to correctly maintain or enforce access control settings. A local attacker with low privileges can exploit this weakness to bypass intended data restrictions and read sensitive information. The attack requires local access to the device but no user interaction. A fix is expected to be addressed in the OpenHarmony security disclosure updates for May 2026.

Affected products

  • OpenHarmony OpenHarmony v6.0 and prior versions

Timeline

  • 2026-05-19: disclosed: Initial disclosure by OpenHarmony and NVD publication.

References

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