CVE-2026-5115

Session hijacking in PaperCut NG/MF embedded application for Konica Minolta devices

HIGH
7.5
CVSS Score
Published: March 31, 2026 at 12:54 AM UTC
Updated: June 17, 2026 at 10:58 AM UTC
3 products affected across 1 vendorPaperCut MFPapercut Mf Konica MinoltaPapercut Ng

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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 25.0.5v < 25.0.9 (KM certified)
Affected range stops below 25.0.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 25.0.9 (KM certified), so it looks safe — our inference, not a vendor statement
v < 25.0.5v < 25.0.9 (KM certified)
Affected range stops below 25.0.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 25.0.9 (KM certified), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-319

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