Read the docs
TI-2026-11438 Aliases CVE-2026-13513GHSA-q6r3-vph9-qrqg

MyScale MyScaleDB SegmentId.h getCacheKey data authenticity

Priority MEDIUM 45CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0018 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MyScaleMyScaleDB1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8.0—No fix listedCNA
  • MyScaleDB VendorMyScale Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:myscale:myscaledb:*:*:*:*:*:*:*:*——MyScale
  • cpe:2.3:a:myscale:myscaledb:*:*:*:*:*:*:*:* Versions — — ·MyScale

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13513
  2. 2026-10-03 Alias added: GHSA-q6r3-vph9-qrqg

References

Exploit 1

Patch 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences