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CVE-2026-18852

Estado: AplazadaBaja (1.9)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Epsilla — Cloud VectordbAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-18852",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-18852",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-05T13:17:52.467668Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "version": "2.0",
          "baseScore": 1.7,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.3,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 1.9,
          "Automatable": "NOT_DEFINED",
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:epsilla-cloud:vectordb:*:*:*:*:*:*:*:*"
          ],
          "vendor": "epsilla-cloud",
          "modules": [
            "Filter Parser"
          ],
          "product": "vectordb",
          "versions": [
            {
              "status": "affected",
              "version": "0.3.0"
            },
            {
              "status": "affected",
              "version": "0.3.1"
            },
            {
              "status": "affected",
              "version": "0.3.2"
            },
            {
              "status": "affected",
              "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"
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            {
              "status": "affected",
              "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",
              "version": "0.3.18"
            },
            {
              "status": "affected",
              "version": "df5a5f5afb85a2376a0f2f316c79dea9b2c6ac7a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-05T00:16:59.370",
  "references": [
    {
      "url": "https://github.com/fa1c4/security-advisories/tree/main/VectorDB",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/fa1c4/security-advisories/tree/main/VectorDB/PoC",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-18852",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/858196",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/385857",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/385857/cti",
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "lastModified": "2026-08-12T20:59:00.027",
  "sourceIdentifier": "cna@vuldb.com"
}