CVE-2023-48365 Qlik Sense HTTP Tunneling

Exploited in the wild Critical 9.6 Published 15 Nov 2023 Updated 21 Oct 2025

Unauthenticated attackers can execute code and escalate privileges by tunneling HTTP requests due to improper header validation in Qlik Sense Enterprise.

Exploited in the wild: Since 13 Jan 2025
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-48365?

CVE-2023-48365 is a critical server-side request forgery vulnerability in n/a, published on 15 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-444

Which versions are affected by CVE-2023-48365?

It affects 1 product.

Products include Qlik Qlik Sense.

How do I fix CVE-2023-48365?

No fix has been published for CVE-2023-48365 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 Feb 2025.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-48365 being exploited?

Yes. Attackers have exploited CVE-2023-48365 in the wild since at least 13 Jan 2025, including in ransomware campaigns.

Sources

Also known as GHSA-2cxf-f44j-gqqf.