CVE Explorer
CVE-2026-8793
PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanisms in some configurations.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"PaperCut NG/MF","vendor":"PaperCut","versions":[{"lessThan":"26.0.3","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d0e9ba6272e3fa7643ed64c3a2e5f9004286e932ce319ca4c77edd1056192f0f · sha256:a125638febdb0e9a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d0e9ba6272e3fa7643ed64c3a2e5f9004286e932ce319ca4c77edd1056192f0f · sha256:a125638febdb0e9a… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-307","description":"CWE-307 Improper restriction of excessive authentication attempts","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d0e9ba6272e3fa7643ed64c3a2e5f9004286e932ce319ca4c77edd1056192f0f · sha256:a125638febdb0e9a… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.papercut.com/kb/Main/papercut-ng-mf-security-bulletin-3-aug-2026/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d0e9ba6272e3fa7643ed64c3a2e5f9004286e932ce319ca4c77edd1056192f0f · sha256:a125638febdb0e9a… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.