Unrated severityNVD Advisory· Published Aug 4, 2026
epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition
CVE-2026-18852
Description
A vulnerability has been found in epsilla-cloud vectordb up to 0.3.18/df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a. This impacts the function SplitTokens/ShuntingYard of the file engine/query/expr/expr.cpp of the component Filter Parser. Such manipulation leads to improper check for unusual conditions. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
AI Insight
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Affected products
1- Range: <=0.3.18/df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a
Patches
Vulnerability mechanics
References
6- github.com/fa1c4/security-advisories/tree/main/VectorDB/PoCmitreexploit
- vuldb.com/cve/CVE-2026-18852mitrethird-party-advisory
- vuldb.com/submit/858196mitrethird-party-advisory
- github.com/fa1c4/security-advisories/tree/main/VectorDBmitrerelated
- vuldb.com/vuln/385857mitrevdb-entrytechnical-description
- vuldb.com/vuln/385857/ctimitresignaturepermissions-required
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