CVE-2023-26490 is a high-severity shell command injection vulnerability affecting mailcow, a dockerized email package. A malicious standard user with Sync Job permissions can exploit this flaw by manipulating the XOAUTH2 authentication mechanism within the imapsync Perl script, leading to shell access within the dovecot Docker container. This vulnerability carries a CVSS score of 8.8, indicating a high potential for compromise of confidentiality, integrity, and availability, with low attack complexity and requiring only low privileges. While the vulnerability has been patched in the 2023-03 Update, there is currently no public exploit code, active exploitation, or significant community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2023-03CPE matchmatch criteria | cpe:2.3:a:mailcow:mailcow\:_dockerized:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.