filemanagement_storage_service has an use after free vulnerability

published 2026-05-19 5 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-30834

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

in OpenHarmony v6.0 and prior versions allow a local attacker arbitrary code execution.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-19)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-416 Use After Free

References

gitcode.com /openharmony/security/tree/master/zh/security-disclosure/2026/2026-05.md

Sources

CVE List CVE-2026-28733
NVD CVE-2026-28733

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary