What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-29 · updated 2026-10-25
• Weakness: CWE-345

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.

Affected products

• MyScaleDB: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+3)

References

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

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