CVE-2026-82973

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

Published Sep 29, 2026 CVSS 3.1 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to version 0.4.13 or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Psyb0t
Psyb0t docker-mailbox
Vendors & Products Psyb0t
Psyb0t docker-mailbox
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Improper Neutralization of CRLF Sequences ('CRLF Injection') in docker-mailbox
Weaknesses CWE-93
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Sep 29, 2026, 2:35 PM
Reserved
Aug 31, 2026, 2:31 PM
Status
Awaiting Analysis
Published
Sep 29, 2026, 1:17 PM
Modified
Sep 29, 2026, 9:36 PM