CRITICALExploited in the wildUnknown

SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability

https://www.smartertools.com/smartermail/release-notes/current ; https://nvd.nist.gov/vuln/detail/CVE-2026-23760

CVE-2026-23760Published 6 months agoSource: CISA KEV

Affected packages

No package-level mapping for this advisory.

Exploit signal

Known exploited (CISA KEV)
Yes
EPSS score
96.27%
EPSS percentile
99.9%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 100%.

Sources

No external sources available.

Recommended response stack

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SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability | HackTribune