CVE-2026-81578 in papercut mf
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
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 software: papercut mf, papercut ng
Scores
- CVSS: 8.8 (high)
- EPSS: 84.73% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2026-08-31
- Published: 2026-08-28
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): Yes, published
- Mitigation: No
In the news
1 publication wrote about this CVE in the last 14 days, most recently on 2026-11-05.
- Barracuda Networks is your new best friend (Barracuda Email Security Gateway Pre-Auth Remote Root RCE CVE-2026-116606 / CVE-2026-111560) (watchTowr Labs, 2026-11-05)
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
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