CVE-2026-45712
Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write) in github.com/axllent/mailpit
5.9
MEDIUM
CVSS 3.1
Description
Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write) in github.com/axllent/mailpit
How to fix CVE-2026-45712
To remediate CVE-2026-45712, upgrade the affected package to a fixed version below.
- Go/github.com/axllent/mailpit—upgrade to 1.30.0 or later
- Go/github.com/axllent/mailpit—upgrade to 1.30.0 or later
Is CVE-2026-45712 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-45712.
Affected packages (2)
- from 0, < 1.30.0
- from 0, < 1.30.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |