What is GHSA-j4qm-pqjf-933v?

GHSA-j4qm-pqjf-933v is a security advisory published by GitHub Security Advisories with Critical severity. Improper neutralization of CRLF sequences in IMAP command construction in psyb0t/docker-mailbox...

Which CVE IDs does GHSA-j4qm-pqjf-933v cover?

GHSA-j4qm-pqjf-933v covers the following CVE IDs: CVE-2026-82973. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j4qm-pqjf-933v?

GHSA-j4qm-pqjf-933v has a CVSS v3 base score of 9.4, published by GitHub Security Advisories.

GHSA-j4qm-pqjf-933vCriticalCVSS 9.4

Improper neutralization of CRLF sequences in IMAP command construction in psyb0t/docker-mailbox...

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

September 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-82973 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-82973
https://gitlab.com/psyb0t/docker-mailbox/-/commit/90e6b492d42e011d0ba2c825795b33d054ee6636
https://github.com/advisories/GHSA-j4qm-pqjf-933v