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Vulnerability · Published Jul 20, 2026 · Assigned by GitHub_M

CVE-2026-47255AgenticMail API/storage and outbound relay hardening

High 8.2

In plain English

A high-severity improper input validation in @agenticmail/api from agenticmail. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 83.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

AgenticMail gives AI agents real email addresses and phone numbers. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 had weakness related to validation and and binding of inactive-agent hour filtering; storage SQL identifier validation; metadata-backed ownership checks for raw storage SQL; blocking direct storage metadata access through raw SQL; fail-closed outbound worker secret handling; SMTP envelope/header control-character validation before command construction; and TLS certificate verification as the default for MailSender with an explicit opt-out for local development. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 are patched.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npm@agenticmail/api0.9.32GHSA-wjjv-3mj2-39hf
npm@agenticmail/core0.9.10GHSA-wjjv-3mj2-39hf

Affected products (as reported)

VendorProductVersions
agenticmail @agenticmail/api < 0.9.32
agenticmail @agenticmail/core < 0.9.10

Weakness: CWE-20, CWE-89, CWE-284, CWE-319, CWE-798 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

References