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CVE-2026-81578

nvd nist
Published: Aug 28, 2026Modified: Sep 1, 2026CISA KEV

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8.8
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: eb41dac7-0af8-4f84-9f6d-0272772514f4 (Secondary)

Description

An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.

Affected (6)

Papercut
2 products
Papercut Mf
Papercut Ng
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Papercut
Papercut Mf
Before 24.1.9
Papercut Mf
From 25.0.2 to 25.0.12
Papercut Mf
From 26.0.2 to 26.0.4
Papercut
Papercut Ng
Before 24.1.9
Papercut Ng
From 25.0.2 to 25.0.12
Papercut Ng
From 26.0.2 to 26.0.4

Related CWEs

CWE-305
Authentication Bypass by Primary Weakness
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

References (3)

Source: eb41dac7-0af8-4f84-9f6d-0272772514f4
PatchVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Issue TrackingPatch
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
PatchThird Party AdvisoryUS Government Resource

Timeline

No history available yet.