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CVE-2026-13513— MyScale MyScaleDB SegmentId.h getCacheKey data authenticity

CVSS 5.0 · Medium EPSS 0.13% · P3

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProductVersion RangeStatus
MyScaleMyScaleDB1.0affected
1.1affected
1.2affected
1.3affected
1.4affected
1.5affected
1.6affected
1.7affected
… +1 more rows
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I. Basic Information for CVE-2026-13513

Vulnerability Information
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Vulnerability Title
MyScale MyScaleDB SegmentId.h getCacheKey data authenticity
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in MyScale MyScaleDB up to 1.8.0. This vulnerability affects the function SegmentId::getCacheKey in the library src/VectorIndex/Common/SegmentId.h. The manipulation results in insufficient verification of data authenticity. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
MyScale MyScaleDB 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MyScale MyScaleDB是MyScale公司的一个SQL数据库平台。 MyScale MyScaleDB 1.8.0及之前版本存在输入验证错误漏洞，该漏洞源于函数SegmentId::getCacheKey中对数据真实性验证不足。以下版本受到影响：1.0版本、1.1版本、1.2版本、1.3版本、1.4版本、1.5版本、1.6版本、1.7版本和1.8.0版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MyScaleMyScaleDB 1.0 cpe:2.3:a:myscale:myscaledb:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13513

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-13513

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Patches & Fixes for CVE-2026-13513 (1)

Other References for CVE-2026-13513 (2)

IV. Related Vulnerabilities

Same weakness: CWE-345

V. Comments for CVE-2026-13513

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