{"cvss":8.2,"datePublished":"2026-04-20","dateUpdated":"2026-04-20","description":"PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.","dueDate":"2026-05-04","id":"CVE-2023-27351","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Known","notes":"https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 ; https://nvd.nist.gov/vuln/detail/CVE-2023-27351","product":"NG/MF","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"cisa_known_exploited","title":"PaperCut NG/MF Improper Authentication Vulnerability","vendor":"PaperCut"}