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.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Epsilla-cloud
  • Vectordb

No data.

No data.

References
Link Providers
https://github.com/fa1c4/security-advisories/tree/main/VectorDB cve-icon
https://github.com/fa1c4/security-advisories/tree/main/VectorDB/PoC cve-icon
https://vuldb.com/cve/CVE-2026-18852 cve-icon
https://vuldb.com/submit/858196 cve-icon
https://vuldb.com/vuln/385857 cve-icon
https://vuldb.com/vuln/385857/cti cve-icon
History

Tue, 04 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition
First Time appeared Epsilla-cloud
Epsilla-cloud vectordb
Weaknesses CWE-754
CPEs cpe:2.3:a:epsilla-cloud:vectordb:*:*:*:*:*:*:*:*
Vendors & Products Epsilla-cloud
Epsilla-cloud vectordb
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-08-04T23:15:10.086Z

Updated: 2026-08-04T23:15:10.086Z

Reserved: 2026-08-04T15:49:29.645Z

Link: CVE-2026-18852

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.