CVE-2026-48824: mailpit before 1.30.1 (exclusive), < 1.30.1

CVE-2026-48824. CVSS 3.1 base score 5.3 (MEDIUM, Vendor/CNA). EPSS 0.00541 (percentile 0.44777), scored 24-Oct-2026.

Affected technology

mailpit · before 1.30.1 (exclusive)
axllent

mailpit · < 1.30.1
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

An unauthenticated remote attacker can post a multi-million-element `IDs` slice and drive RSS from ~25 MiB baseline to ~450 MiB per 16 MB request body. Vendor/CNA’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality and integrity impact as none; availability impact as low.

Published 25-Oct-2026 01:30 UTC

CWE: CWE-770
CCR priority: 21.3 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · Vendor/CNA
EPSS: 0.00541 · percentile 0.44777 · 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-2026-48824.html