{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-18852",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-08-04T15:49:29.645Z",
        "datePublished": "2026-08-04T23:15:10.086Z",
        "dateUpdated": "2026-08-05T14:28:11.420Z"
    },
    "containers": {
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                "shortName": "VulDB",
                "dateUpdated": "2026-08-04T23:15:10.086Z"
            },
            "title": "epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-754",
                            "lang": "en",
                            "description": "Improper Check for Unusual Conditions"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "epsilla-cloud",
                    "product": "vectordb",
                    "versions": [
                        {
                            "version": "0.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.2",
                            "status": "affected"
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                        {
                            "version": "0.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.4",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.5",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.6",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.8",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.10",
                            "status": "affected"
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                        {
                            "version": "0.3.11",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.12",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.13",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.15",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0.3.17",
                            "status": "affected"
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                        {
                            "version": "0.3.18",
                            "status": "affected"
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                            "version": "df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a",
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                    "cpes": [
                        "cpe:2.3:a:epsilla-cloud:vectordb:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Filter Parser"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 4.8,
                        "vectorString": "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",
                        "baseSeverity": "MEDIUM"
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                {
                    "time": "2026-08-04T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
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                {
                    "time": "2026-08-04T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
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                    "time": "2026-08-04T17:54:34.000Z",
                    "lang": "en",
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                    "value": "fa1c4 (VulDB User)",
                    "type": "reporter"
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                    "lang": "en",
                    "value": "VulDB CNA Team",
                    "type": "coordinator"
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            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/385857",
                    "name": "VDB-385857 | epsilla-cloud vectordb Filter expr.cpp ShuntingYard unusual condition",
                    "tags": [
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                    "name": "VDB-385857 | CTI Indicators (IOB, IOC, IOA)",
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                    "url": "https://vuldb.com/cve/CVE-2026-18852",
                    "name": "CVE-2026-18852 | CVE Analysis and Report",
                    "tags": [
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                    "tags": [
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                    "url": "https://github.com/fa1c4/security-advisories/tree/main/VectorDB",
                    "tags": [
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                {
                    "url": "https://github.com/fa1c4/security-advisories/tree/main/VectorDB/PoC",
                    "tags": [
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            "x_generator": [
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                "metrics": [
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                                "id": "CVE-2026-18852",
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                "title": "CISA ADP Vulnrichment",
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