Vulnerability-Lookup

CVE-2026-10543 (GCVE-0-2026-10543)

Vulnerability from cvelistv5 – Published: 2026-08-12 20:50 – Updated: 2026-08-12 20:50

Title

IBM® Db2® is vulnerable to privilege escalation with a specially crafted query

Summary

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CWE

CWE-285 - Improper Authorization

Assigner

ibm

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7282949	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Db2	Affected: 11.5.0 , ≤ 11.5.9 (semver) Affected: 12.1.0 , ≤ 12.1.5 (semver) cpe:2.3:a:ibm:db2:11.5.0:::::::* cpe:2.3:a:ibm:db2:11.5.9:::::::* cpe:2.3:a:ibm:db2:12.1.0:::::::* cpe:2.3:a:ibm:db2:12.1.5:::::::*

Credits

This vulnerability was reported to IBM by Nicolas Verdier, Amazon.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:*:*:*"
          ],
          "product": "Db2",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "11.5.9",
              "status": "affected",
              "version": "11.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "12.1.5",
              "status": "affected",
              "version": "12.1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This vulnerability was reported to IBM by Nicolas Verdier, Amazon."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.\u003c/p\u003e"
            }
          ],
          "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285 Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-12T20:50:02.003Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7282949"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eCustomers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4 and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eRelease\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eFixed in mod pack\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eAPAR\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eDownload URL\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eV11.5\u003c/td\u003e\u003ctd\u003eTBD\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EMa9/dt472016\" rel=\"nofollow\"\u003eDT472016\u003c/a\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSecurity Update #87984 or later for V11.5.9 available at this link:\u003cbr/\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7087189\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7087189\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003eV12.1\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eTBD\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000EMa9/dt472016\" rel=\"nofollow\"\u003eDT472016\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSecurity Update #87349 or later for V12.1.4 available at this link:\u003cbr/\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7267513\u003c/a\u003e\u003c/p\u003e\u003cp\u003eSecurity Update #88454 or later for V12.1.5 available at this link:\u003cbr/\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7282633\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7282633\u003c/a\u003e\u003cbr/\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003eNote: This remediation comes with multiple changes to Db2 functionality that are outlined here:\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https://www.ibm.com/docs/en/db2/12.1.x?topic=statements-transfer-ownership\" rel=\"nofollow\"\u003eTRANSFER OWNERSHIP statement\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\"https://www.ibm.com/docs/en/db2/12.1.x?topic=variables-miscellaneous\" rel=\"nofollow\"\u003eNew DB2_TRANSFER_OWNER_RULES and DB2_TRANSFER_ALLOW_UNHELD_AUTHS registry variables\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\"https://www.ibm.com/docs/en/db2/12.1.x?topic=procedure-admin-move-table-move-tables-online\" rel=\"nofollow\"\u003eADMIN_MOVE_TABLE procedure\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\"https://www.ibm.com/docs/en/db2/12.1.x?topic=procedure-admin-copy-schema-copy-schema\" rel=\"nofollow\"\u003eADMIN_COPY_SCHEMA procedure\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\"https://www.ibm.com/docs/en/db2/12.1.x?topic=views-altobj-alter-table\" rel=\"nofollow\"\u003eALTOBJ procedure\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eIBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.\u003c/p\u003e"
            }
          ],
          "value": "Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4 and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\n\n\n\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\n\n\nV12.1\n\n\n\nTBD\n\n\n\n https://www.ibm.com/support/pages/node/7267513 \n\n\n\nSecurity Update #88454 or later for V12.1.5 available at this link:\n https://www.ibm.com/support/pages/node/7282633 \n\n\n\n\n\n\nNote: This remediation comes with multiple changes to Db2 functionality that are outlined here:\n\n  *   TRANSFER OWNERSHIP statement https://www.ibm.com/docs/en/db2/12.1.x \n  *   New DB2_TRANSFER_OWNER_RULES and DB2_TRANSFER_ALLOW_UNHELD_AUTHS registry variables https://www.ibm.com/docs/en/db2/12.1.x \n  *   ADMIN_MOVE_TABLE procedure https://www.ibm.com/docs/en/db2/12.1.x \n  *   ADMIN_COPY_SCHEMA procedure https://www.ibm.com/docs/en/db2/12.1.x \n  *   ALTOBJ procedure https://www.ibm.com/docs/en/db2/12.1.x \n\n\n\n\nIBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability."
        }
      ],
      "title": "IBM\u00ae Db2\u00ae is vulnerable to privilege escalation with a specially crafted query"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-10543",
    "datePublished": "2026-08-12T20:50:02.003Z",
    "dateReserved": "2026-06-01T12:41:02.957Z",
    "dateUpdated": "2026-08-12T20:50:02.003Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-10543\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-08-12T21:17:34.360\",\"lastModified\":\"2026-08-12T21:17:34.360\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.\"}],\"affected\":[{\"source\":\"psirt@us.ibm.com\",\"affectedData\":[{\"vendor\":\"IBM\",\"product\":\"Db2\",\"cpes\":[\"cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"11.5.0\",\"lessThanOrEqual\":\"11.5.9\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"12.1.0\",\"lessThanOrEqual\":\"12.1.5\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7282949\",\"source\":\"psirt@us.ibm.com\"}]}}"
  }
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-10543 (GCVE-0-2026-10543)

GHSA-X2Q5-8G6F-PV4C

Tags

Sightings

Nomenclature