CVE-2026-47255: high-severity vulnerability in agenticmail @agenticmail/api
AgenticMail API/storage and outbound relay hardening
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.2epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Related CVEs — agenticmail @agenticmail/api
In the same product, most dangerous first.
References
https://github.com/agenticmail/agenticmail/blob/7b9b05d973676e9f3d097c08b8e649f59bfc15d0/CHANGELOG.md?plain=1#L1842https://github.com/agenticmail/agenticmail/blob/7b9b05d973676e9f3d097c08b8e649f59bfc15d0/packages/core/src/mail/sender.ts#L33https://github.com/agenticmail/agenticmail/commit/1408de543fa3577d8c2d4fdb289c75fe6faafac7https://github.com/agenticmail/agenticmail/commit/234b811e426a0743170f3b10bc43419d64330155https://github.com/agenticmail/agenticmail/commit/6c70c8254c906f823392d7f5ccee88a5481e7731https://github.com/agenticmail/agenticmail/commit/8cb053f2307dd77b7736ffa0d7df04b0ccc3272dhttps://github.com/agenticmail/agenticmail/security/advisories/GHSA-wjjv-3mj2-39hf