OpenHarmony up to 6.0 race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenHarmony up to 6.0 and classified as problematic. The impacted element is an unknown function. The manipulation results in race condition. This vulnerability is identified as CVE-2026-27766. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in OpenHarmony up to 6.0. Affected is an unknown code. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-364. The product uses a signal handler that introduces a race condition. This is going to have an impact on confidentiality. CVE summarizes:

in OpenHarmony v6.0 and prior versions allow a local attacker cause information leak.

The advisory is shared for download at gitcode.com. This vulnerability is traded as CVE-2026-27766 since 03/03/2026. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30830). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (OpenHarmony): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-364 / CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/03/2026 CVE reserved
05/19/2026 +76 days Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gitcode.com
Status: Confirmed

CVE: CVE-2026-27766 (🔒)
GCVE (CVE): GCVE-0-2026-27766
GCVE (VulDB): GCVE-100-364536
EUVD: 🔒

Entryinfo

Created: 05/19/2026 07:19
Updated: 05/19/2026 08:37
Changes: 05/19/2026 07:19 (60), 05/19/2026 08:37 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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