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CVE-2026-45713: mailpit before 1.30.0 (exclusive), < 1.30.0
CVE-2026-45713. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00607 (percentile 0.48434), scored 24-Oct-2026.
Affected technology
mailpit · before 1.30.0 (exclusive)
axllent
mailpit · < 1.30.0
axllent
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A single network-reachable attacker can push an arbitrarily large message into Mailpit and watch RAM consumption spike with a ~7-10× amplification factor (raw frame → enmime envelope tree → search-text index → zstd-encoded write to SQLite). Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-400, CWE-770
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00607 · percentile 0.48434 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-45713.html