nezhahq Nezha up to 2.3.8 Alerting Subsystem UpdateGroup/DeleteGroup id race condition

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.99

Summaryinfo

A vulnerability was found in nezhahq Nezha. It has been rated as problematic. Affected is the function UpdateGroup/DeleteGroup of the component Alerting Subsystem. The manipulation of the argument ID leads to race condition. This vulnerability is uniquely identified as CVE-2026-105112. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in nezhahq Nezha and classified as problematic. This issue affects the function UpdateGroup/DeleteGroup of the component Alerting Subsystem. The manipulation of the argument id with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is availability. The summary by CVE is:

Nezha from 1.8.0 before 2.3.13 contains a lock-order inversion in UpdateGroup and DeleteGroup that allows authenticated non-admin users to deadlock the alerting subsystem. Attackers can concurrently call the notification-group and batch-delete endpoints with oversized id lists to widen the race and close an ABBA cycle, permanently killing alert delivery until restart.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-105112 since 10/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available.

Upgrading to version 2.3.13 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nezha 2.3.13

Timelineinfo

10/03/2026 Advisory disclosed
10/03/2026 +0 days CVE reserved
10/03/2026 +0 days VulDB entry created
10/03/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-105112 (🔒)
GCVE (CVE): GCVE-0-2026-105112
GCVE (VulDB): GCVE-100-413357

Entryinfo

Created: 10/03/2026 16:11
Changes: 10/03/2026 16:11 (78)
Complete: 🔍
Cache ID: 216::103

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