CVE Explorer
CVE-2026-25067
SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem path without validation. On Windows systems, this allows UNC paths to be resolved, causing the SmarterMail service to initiate outbound SMB authentication attempts to attacker-controlled hosts. This can be abused for credential coercion, NTLM relay attacks, an
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"SmarterMail","vendor":"SmarterTools","versions":[{"lessThan":"100.0.9518","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:044b1794d5208ea3b5ad2f406fc2405a3276ec4057478901735a6ea87ef915f1 · sha256:ac24d6252e290d86… · /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":"NONE","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:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:044b1794d5208ea3b5ad2f406fc2405a3276ec4057478901735a6ea87ef915f1 · sha256:ac24d6252e290d86… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-706","description":"CWE-706 Use of Incorrectly-Resolved Name or Reference","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:044b1794d5208ea3b5ad2f406fc2405a3276ec4057478901735a6ea87ef915f1 · sha256:ac24d6252e290d86… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["release-notes","patch"],"url":"https://www.smartertools.com/smartermail/release-notes/current"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:044b1794d5208ea3b5ad2f406fc2405a3276ec4057478901735a6ea87ef915f1 · sha256:ac24d6252e290d86… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/smartertools-smartermail-unauthenticated-background-of-the-day-path-coercion"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:044b1794d5208ea3b5ad2f406fc2405a3276ec4057478901735a6ea87ef915f1 · sha256:ac24d6252e290d86… · /containers/cna/references/1
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.