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Vulnerabilities

Vulnerability · CVE-2023-48365

Qlik Sense HTTP Tunneling Vulnerability

Published Nov 15, 2023 · catalog updated Jun 16, 2026 · Qlik Sense

Patch now

CVE-2023-48365 is in the CISA known-exploited catalog, due Feb 3, 2025. Confirm Qlik Sense against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.9
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
47.45%
Remediation
Remediation guidance
Affected products
cpe qlik/qlik sense · vendor Qlik Sense

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qlik/qlik senseaugust_2022
  • vendor Qlik Senseversion unspecified

How to fix CVE-2023-48365

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-48365 is in the CISA known-exploited catalog, due Feb 3, 2025. Confirm Qlik Sense against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with qlik/qlik sense august_2022. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-444: HTTP Request Smuggling. EPSS 47.45%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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

Sources

  • AttackerKBCited referencehttps://attackerkb.com/topics/1HzZGd2EN4/cve-2023-48365#exploited-in-the-wild_9c3c0bdd-7a98-48de-a889-f351a2aec7cf

    AttackerKB link already published on the finding.

    attackerkb.com
  • 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
  • VulnCheck 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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.