CVE-2026-81578
CVSS v3
—
Unknown
EPSS Score
85.6 %
exploit probability, as of 2026-10-19
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-81578 yet.
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.
CISA Known Exploited Vulnerability
- Date Added
- 2026-08-31
- Patch Due Date
- 2026-09-14
- Ransomware Use
- Unknown
Technical details
- Published
- 2026-08-28
- Last Modified
- 2026-08-29
Frequently asked questions
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.