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.

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.

The EPSS score is 0.00112.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
epsilla-cloud vectordb affected
Version Status Constraints
0.3.0 affected —
0.3.1 affected —
0.3.2 affected —
0.3.3 affected —
0.3.4 affected —
0.3.5 affected —
0.3.6 affected —
0.3.7 affected —
0.3.8 affected —
0.3.9 affected —
0.3.10 affected —
0.3.11 affected —
0.3.12 affected —
0.3.13 affected —
0.3.14 affected —
0.3.15 affected —
0.3.16 affected —
0.3.17 affected —
0.3.18 affected —
df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a affected —

No data.

No data.

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Vendors Products
Epsilla-cloud Subscribe
Vectordb Subscribe

Project Subscriptions

Vendors Products
Epsilla-cloud Subscribe
Vectordb Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-05T14:28:11.420Z

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.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T10:18:50Z

Weaknesses