taosdata TDengine up to 3.4.1.14 Shared-Storage Migration mndProcessKillSsMigrateReq improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.59+

Summaryinfo

A vulnerability was found in taosdata TDengine up to 3.4.1.14 and classified as problematic. This affects the function mndProcessKillSsMigrateReq of the component Shared-Storage Migration. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2026-62348. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in taosdata TDengine up to 3.4.1.14. It has been rated as problematic. Affected by this issue is the function mndProcessKillSsMigrateReq of the component Shared-Storage Migration. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is integrity, and availability. CVE summarizes:

TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, TDengine Enterprise allowed an authenticated low-privilege SQL user to run KILL SSMIGRATE <id> against an active shared-storage migration because mndProcessKillSsMigrateReq called mndKillSsMigrate while the intended MND_OPER_SSMIGRATE_DB privilege check was commented out. This issue is fixed in version 3.4.1.15.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-62348 since 07/13/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 3.4.1.15 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: TDengine 3.4.1.15

Timelineinfo

07/13/2026 CVE reserved
07/15/2026 +2 days Advisory disclosed
07/15/2026 +0 days VulDB entry created
07/15/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-62348 (🔒)
GCVE (CVE): GCVE-0-2026-62348
GCVE (VulDB): GCVE-100-379376

Entryinfo

Created: 07/15/2026 21:42
Changes: 07/15/2026 21:42 (54)
Complete: 🔍
Cache ID: 216::103

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