CVE-2026-18852
epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-754 |
| Vendor | epsilla-cloud |
| Product | vectordb |
| Published | Aug 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
epsilla-cloud / vectordb
0.3.0 0.3.1 0.3.2 0.3.3 0.3.4 0.3.5 0.3.6 0.3.7 0.3.8 0.3.9 0.3.10 0.3.11 0.3.12 0.3.13 0.3.14 0.3.15 0.3.16 0.3.17 0.3.18 df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a
References
vuldb.com: https://vuldb.com/vuln/385857 vuldb.com: https://vuldb.com/vuln/385857/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18852 vuldb.com: https://vuldb.com/submit/858196 github.com: https://github.com/fa1c4/security-advisories/tree/main/VectorDB github.com: https://github.com/fa1c4/security-advisories/tree/main/VectorDB/PoC
Credits
🔍 fa1c4 (VulDB User) VulDB CNA Team