Resource exhaustion in Axllent Mailpit
CVE-2026-45712
Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the screenshot/print proxy (/proxy?data=…) maintains a package-level assets map[string]MessageAssets cache, but reads the map without holding assetsMutex whi…
Vulnerability class: Race Condition
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Axllent Mailpit — versions < 1.30.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-45712?
- CVE-2026-45712 is a medium-severity vulnerability in Axllent Mailpit, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2026-07-20.
- How severe is CVE-2026-45712?
- Medium severity. CVSS v3 base score is 5.9 out of 10.