MailDev 2 through 2.1.0 allows Remote Code Execution via a crafted Content-ID header for…
Priority HIGH 80CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-352.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00904 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | maildev (npm) | 2.0.0-beta1 – 2.1.0 | — | No fix listed | GHSA-vc6q-ccj9-9r89 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- maildev (npm) Vendor— Affected 2.0.0-beta1 – 2.1.0 Fixed in — No fix listed GHSA-vc6q-ccj9-9r89
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:maildev:maildev:2.0.0:*:*:*:*:*:*:* | 2.0.0 | — | — |
- cpe:2.3:a:maildev:maildev:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27448
- 2026-10-03 Alias added: GHSA-vc6q-ccj9-9r89
References
Other 6
- https://github.com/Tim-Hoekstra/MailDev-2.1.0-Exploit-RCE
- https://github.com/maildev/maildev/releases
- https://intrix.com.au/articles/exposing-major-security-flaw-in-maildev
- https://github.com/maildev/maildev/issues/467
- https://gist.github.com/stypr/fe2003f00959f7e3d92ab9d5260433f8
- https://github.com/maildev/maildev
Sources
- CVE-2024-27448 · CVE Program
- CVE-2024-27448 · NVD
- FIRST EPSS
- GHSA-vc6q-ccj9-9r89 · GitHub Advisory Database · CC BY 4.0
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