CVE-2026-81578

PaperCut MF/NG: Authentication Bypass

HIGH 8.8CISA KEV ↗Exploitée selon l'ENISA depuis le 2026-08-27

En bref

Source
NVD
EPSS
EPSS 83.73 % · centile 100 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
PaperCut
Statut NVD
Analyzed

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.

Faiblesses (CWE)

  • CWE-305 — Contournement d'authentification par faiblesse primaire

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0HIGH 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:NPaperCut
CVSS 4.0HIGH 8.8CVSS: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:XNVD · eb41dac7-0af8-4f84-9f6d-0272772514f4 (Secondary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
PaperCut · PaperCut MF/NGaffected 0 < 24.1.10 ; affected 25.0.0 < 25.0.13 ; affected 26.0.0 < 26.0.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD