Vulnerability in Epsilla-Cloud Vectordb
CVE-2026-18852
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.
EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Epsilla-cloud Vectordb — versions 0.3.0, 0.3.1, 0.3.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (related)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-18852?
- CVE-2026-18852 is a low-severity vulnerability in Epsilla-Cloud Vectordb, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 3.3/10. Published 2026-08-05.
- How severe is CVE-2026-18852?
- Low severity. CVSS v3 base score is 3.3 out of 10.