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Critical · 9.4 CVE-2026-82973 EUVD-2026-88759GHSA-j4qm-pqjf-933v

Improper Neutralization of CRLF Sequences ('CRLF Injection') in docker-mailbox

Published Sep 29, 2026 · Updated Sep 29, 2026 · Assigned by GitLab

Description

Improper neutralization of CRLF sequences in IMAP command construction in psyb0t/docker-mailbox before 0.4.13 allows a remote unauthenticated attacker, when bearer-token authentication is not configured, to inject additional IMAP commands into an authenticated upstream mailbox connection via crafted folder, UID, or search values.

Affected products

VendorProductAffectedFixed
psyb0t docker-mailbox 0.1.0 – ≤ 0.4.12 —

References