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Findings

CVE-2023-48365

Qlik Sense HTTP Tunneling Vulnerability

Published Nov 15, 2023 · corrected/updated Jun 16, 2026 · qlik qlik sense · evidence confidence very high

Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP requests on the backend server that hosts the repository application. The fixed versions are August 2023 Patch 2, May 2023 Patch 6, February 2023 Patch 10, November 2022 Patch 12, August 2022 Patch 14, May 2022 Patch 16, February 2022 Patch 15, and November 2021 Patch 17. NOTE: this issue exists because of an incomplete fix for CVE-2023-41265.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2023-48365 is a critical public vulnerability record for qlik qlik sense. CISA lists it as known exploited. Published remediation guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether qlik qlik sense is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: qlik/qlik sense (august_2022); Qlik Sense. Published remediation guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 9.9, EPSS 47.5%. CISA lists it as known exploited. Weakness classes: CWE-444. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Jan 13, 2025. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Feb 3, 2025.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 15, 2023 · Catalog

    Detected

    Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP requests on the backend server that hosts the repository application. The fixed versions are August 2023 Patch 2, May 2023 P

  2. Jan 13, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Feb 3, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP requests on the backend server that hosts the repository application. The fixed versions are August 2023 Patch 2, May 2023 P

Affected

  • cpe qlik/qlik senseaugust_2022
  • vendor Qlik Senseversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2023-48365

    Qlik Sense contains an HTTP tunneling vulnerability that allows an attacker to escalate privileges and execute HTTP requests on the backend server hosting the software.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-48365

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-48365

    30-day exploitation probability 47.5%

    first.org
  • NIST NVDVulnerability recordCVE-2023-48365

    Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP requ

    nvd.nist.gov

References