CVE-2024-27448

9.1 criticalEPSS 0.9%

Critical (9.1). EPSS 0.9% chance of exploitation in the next 30 days.

MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for an e-mail attachment, leading to lib/mailserver.js writing arbitrary code into the routes.js file.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2024-04-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-vc6q-ccj9-9r89	npm	maildev	>=2.0.0-beta1 <=2.1.0	no fix published

References

https://gist.github.com/stypr/fe2003f00959f7e3d92ab9d5260433f8
https://github.com/Tim-Hoekstra/MailDev-2.1.0-Exploit-RCE
https://github.com/maildev/maildev/issues/467
https://github.com/maildev/maildev/releases
https://intrix.com.au/articles/exposing-major-security-flaw-in-maildev

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