CVE-2026-5115 Session hijacking in PaperCut NG/MF embedded application for Konica Minolta devices
Insecure communication in PaperCut embedded apps allows attackers to intercept sensitive data, potentially leading to session hijacking or phishing attacks on multi-function devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-5115?
CVE-2026-5115 is a low-severity vulnerability in Papercut NG/MF, published on 31 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The PaperCut NG/MF (specifically, the embedded application for Konica Minolta devices) is vulnerable to session hijacking. The PaperCut NG/MF Embedded application is a software interface that runs directly on the touch screen of a multi-function device.
It was internally discovered that the communication channel between the embedded application and the server was insecure, which could leak data including sensitive information that may be used to mount an attack on the device. Such an attack could potentially be used to steal data or to perform a phishing attack on the end user.
Weakness: CWE-319
Which versions are affected by CVE-2026-5115?
It affects 2 products.
Products include Papercut Papercut Mf, Papercut Papercut Mf Konica Minolta.
How do I fix CVE-2026-5115?
No fix has been published for CVE-2026-5115 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-5115 being exploited?
There is no known exploitation of CVE-2026-5115 in the wild and no public exploit code.
Other vulnerabilities in Papercut NG/MF
Sources
Also known as GHSA-jh6p-v59c-g7f9.