TI-2026-57229 Aliases CVE-2026-82973 GHSA-j4qm-pqjf-933v

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

MEDIUM 47CWE-93Published 2026-09-29 · Updated 2026-09-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00419 36th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
psyb0t	docker-mailbox	0.1.0 – 0.4.12	—	No fix listed	CNA

docker-mailbox Vendorpsyb0t Affected 0.1.0 – 0.4.12 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-82973
2026-10-03 Alias added: GHSA-j4qm-pqjf-933v

References

Other 1

https://gitlab.com/psyb0t/docker-mailbox/-/commit/90e6b492d42e011d0ba2c825795b33d054ee6636

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences