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    2 vulnerabilities found for pgvectorscale by timescale

    CVE-2026-116489 (GCVE-0-2026-116489)

    Vulnerability from nvd – Published: 2026-10-26 14:59 – Updated: 2026-10-26 14:59
    VLAI
    Title
    Timescale pgvectorscale before 0.9.1 Type Confusion via Unqualified DiskANN Operator Classes
    Summary
    Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector's vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashing the server, or escalating privileges.
    Severity
    7.7 (High)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6905 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    timescale pgvectorscale Affected: 0 , < 0.9.1 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-04 00:00
    Credits
    Mehmet Ince
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "pgvectorscale",
          "vendor": "timescale",
          "versions": [
            {
              "lessThan": "0.9.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mehmet Ince"
        }
      ],
      "datePublic": "2026-09-04T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector\u0027s vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashing the server, or escalating privileges."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-843",
              "description": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T14:59:38.170Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Pull Request #280",
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/timescale/pgvectorscale/pull/280"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/timescale/pgvectorscale/commit/1c7cb1cab919ac122f901f163a71f69a264a8f81"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/timescale/pgvectorscale/commit/59d2f573dbd7a1446728ac547576d22f5b05cfaa"
        },
        {
          "tags": [
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          "url": "https://github.com/timescale/pgvectorscale/commit/f42f8cf29c92111add863ccf3255b3bf23fb51cd"
        },
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          "url": "https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_method/mod.rs#L208-L231"
        },
        {
          "tags": [
            "technical-description"
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          "url": "https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_method/pg_vector.rs#L133-L151"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_method/build.rs#L253"
        },
        {
          "name": "pgvectorscale 0.9.1 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/timescale/pgvectorscale/releases/tag/0.9.1"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/timescale/pgvectorscale"
        },
        {
          "name": "VulnCheck Advisory: Timescale pgvectorscale before 0.9.1 Type Confusion via Unqualified DiskANN Operator Classes",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/timescale-pgvectorscale-before-0.9.1-type-confusion-via-unqualified-diskann-operator-classes"
        }
      ],
      "title": "Timescale pgvectorscale before 0.9.1 Type Confusion via Unqualified DiskANN Operator Classes",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-116489",
    "datePublished": "2026-10-26T14:59:38.170Z",
    "dateReserved": "2026-10-26T11:37:39.154Z",
    "dateUpdated": "2026-10-26T14:59:38.170Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-116489 (GCVE-0-2026-116489)

    Vulnerability from cvelistv5 – Published: 2026-10-26 14:59 – Updated: 2026-10-26 14:59
    VLAI
    Title
    Timescale pgvectorscale before 0.9.1 Type Confusion via Unqualified DiskANN Operator Classes
    Summary
    Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector's vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashing the server, or escalating privileges.
    Severity
    7.7 (High)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6905 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    timescale pgvectorscale Affected: 0 , < 0.9.1 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-04 00:00
    Credits
    Mehmet Ince
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "pgvectorscale",
          "vendor": "timescale",
          "versions": [
            {
              "lessThan": "0.9.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mehmet Ince"
        }
      ],
      "datePublic": "2026-09-04T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Timescale pgvectorscale before 0.9.1 contains a type confusion vulnerability that allows low-privileged database users to corrupt memory by shadowing pgvector\u0027s vector type or operators. Attackers with CREATE privilege on the vectorscale schema can pre-create shadow objects, then build and query DiskANN indexes over crafted values to cause out-of-bounds reads and writes, disclosing memory, crashing the server, or escalating privileges."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-843",
              "description": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T14:59:38.170Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Pull Request #280",
          "tags": [
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            "patch"
          ],
          "url": "https://github.com/timescale/pgvectorscale/pull/280"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/timescale/pgvectorscale/commit/1c7cb1cab919ac122f901f163a71f69a264a8f81"
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        },
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          "url": "https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_method/pg_vector.rs#L133-L151"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/timescale/pgvectorscale/blob/0.9.0/pgvectorscale/src/access_method/build.rs#L253"
        },
        {
          "name": "pgvectorscale 0.9.1 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/timescale/pgvectorscale/releases/tag/0.9.1"
        },
        {
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          ],
          "url": "https://github.com/timescale/pgvectorscale"
        },
        {
          "name": "VulnCheck Advisory: Timescale pgvectorscale before 0.9.1 Type Confusion via Unqualified DiskANN Operator Classes",
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    "dateReserved": "2026-10-26T11:37:39.154Z",
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