Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV L L N L N N N L 1.9 .0011 1.6 —
AFFECTED Product Versions Fixed vectordb 0.3.0 – —
TIMELINE Aug 4 Reserved by VulDB Aug 4 Published (CNA: VulDB) Aug 5 RESCORED — CVE-2026-18852 (epsilla-cloud vectordb). CVSS 4.8 → 1.9 (NVD).
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.
| Date | Event | Detail |
|---|---|---|
| August 4, 2026 | Reserved | Reserved by VulDB |
| August 4, 2026 | Published | Published (CNA: VulDB) |
| August 5, 2026 | RESCORED | RESCORED — CVE-2026-18852 (epsilla-cloud vectordb). CVSS 4.8 → 1.9 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| epsilla-cloud | vectordb | — | 0.3.0 | — |
Authoritative record: CVE-2026-18852 at cve.org
Vendors: epsilla-cloud
Weaknesses: CWE-754
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-18852 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.