CVE-2026-13513

MEDIUM 5.0

MyScale MyScaleDB SegmentId.h getCacheKey data authenticity

CVSS Score

5.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-345
Vendor	myscale
Product	myscaledb
Published	Jun 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

MyScale / MyScaleDB

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/374521 vuldb.com: https://vuldb.com/vuln/374521/cti vuldb.com: https://vuldb.com/cve/CVE-2026-13513 vuldb.com: https://vuldb.com/submit/838878 github.com: https://github.com/myscale/MyScaleDB/issues/54 github.com: https://github.com/myscale/MyScaleDB/pull/55 github.com: https://github.com/myscale/MyScaleDB/

Credits

🔍 Dem000000 (VulDB User) VulDB CNA Team