What is CVE-2025-26691?

CVE-2025-26691 is a medium-severity vulnerability in Openatom Openharmony, classified under Improper Preservation of Permissions. CVSS score: 5.5/10. Published 2025-06-08.

How severe is CVE-2025-26691?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-26691 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Openatom Openharmony

CVE-2025-26691

in OpenHarmony v5.0.3 and prior versions allow a local attacker cause information leak through get permission.

EPSS: 0.001 (1.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openatom Openharmony
Openharmony — versions v5.0.1

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

scy@openharmony.io (Vendor Advisory)

Frequently asked questions

What is CVE-2025-26691?: CVE-2025-26691 is a medium-severity vulnerability in Openatom Openharmony, classified under Improper Preservation of Permissions. CVSS score: 5.5/10. Published 2025-06-08.
How severe is CVE-2025-26691?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-26691 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.