Vulnerability in Smartertools Smartermail
CVE-2026-23760
SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a res…
EPSS: 0.817 (99.2th percentile) — read the EPSS interpretation.
Affected products
- Smartertools Smartermail — versions 0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
References
- www.smartertools.com/smartermail/release-notes/current (release-notes, patch)
- labs.watchtowr.com/attackers-with-decompilers-strike-again-smartertools-smarter… (technical-description, exploit)
- code-white.com/public-vulnerability-list/ (third-party-advisory)
- www.vulncheck.com/advisories/smartertools-smartermail-authentication-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-23760?
- CVE-2026-23760 is a vulnerability in Smartertools Smartermail, classified under Authentication Bypass Using an Alternate Path or Channel. Published 2026-01-22.
- Is CVE-2026-23760 known to be exploited?
- Yes. CVE-2026-23760 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-01-26), indicating it is being actively exploited.