# CVE-2026-13477: IBM QRadar SIEM is vulnerable to remote code execution by privileged users

Status: published. Published: 2026-08-05. Updated: 2026-11-04.

IBM QRadar 7.6.0.0 through 7.6.0.1, and 7.5.0 through 7.5.0 UP 15 Interim Fix 005 could allow an authenticated privileged user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied input.

## Remediation

- fix: IBM strongly encourages customers to update their systems promptly.

ProductVersionFixIBM QRadar SIEM 7.5.0  7.5.0 UP15 IF05 https://www.ibm.com/support/pages/release-qradar-750-update-package-15-interim-fix-05-sfs-202161520260715231428 IBM QRadar SIEM 7.6.0  7.6.0.2 https://www.ibm.com/support/pages/node/7280199 (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7282395

## Affected products and versions

- IBM / QRadar: ≥ 7.6.0.0; ≤ 7.6.0.1 (affected, semver); ≥ 7.5.0; ≤ 7.5.0 UP 15 Interim Fix 005 (affected, semver). Source: CNA: ibm

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:-:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_1:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_10:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_11:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_12:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_13:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_13_interim_fix_01:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_13_interim_fix_02:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_14:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_14_interim_fix_01:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_14_interim_fix_02:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_15:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_15_interim_fix_01:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_15_interim_fix_02:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_15_interim_fix_03:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_15_interim_fix_04:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_2:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_3:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_4:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_5:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_6:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_7:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_8:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.5.0:update_pack_9:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0:-:*:*:*:*:*:*",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.6.0:fix_pack_1:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 4.7 (medium); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L; source: CNA: ibm

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: nvd@nist.gov

- CVSS 3.1: 4.7 (medium); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: 0.49% as of 2026-11-03; percentile 42.34%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-78

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7282395 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7282395 (psirt@us.ibm.com; Vendor Advisory)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-13477; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-13477; retrieved 2026-11-04; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-13477; retrieved 2026-11-03; source updated Not reported

Revision: 7b18c955c79d42ee7bb49c0c9579ae5b2f8a84a9daa9f1689c24005924452467

Canonical: https://y2.dev/cve/CVE-2026-13477

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.