The mail transport (aka Swift_Transport_MailTransport) in Swift Mailer before 5.4.5 might…
Priority HIGH 71CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-77.
Summary
The mail transport (aka Swift_Transport_MailTransport) in Swift Mailer before 5.4.5 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted e-mail address in the (1) From, (2) ReturnPath, or (3) Sender header.
Why it matters now
EPSS 0.43793 98th percentileScored 2026-11-07
Public exploit Yes 6 exploit referencesTagged by the CNA and NVD
Fix Fixed swiftmailer/swiftmailer (Packagist): 5.4.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | swiftmailer/swiftmailer (Packagist) | before 5.4.5 | 5.4.5 | Patch available | GHSA-pr44-4jfr-286m |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- swiftmailer/swiftmailer (Packagist) Vendor— Affected before 5.4.5 Fixed in 5.4.5 Patch available GHSA-pr44-4jfr-286m
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:swiftmailer:swiftmailer:*:*:*:*:*:*:*:* | up to 5.4.4 | Vulnerable | Swiftmailer |
- cpe:2.3:a:swiftmailer:swiftmailer:*:*:*:*:*:*:*:* Versions up to 5.4.4 Vulnerable ·Swiftmailer
Remediation
- Fix · GHSA-pr44-4jfr-286m swiftmailer/swiftmailer (Packagist) Fixed in 5.4.5 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10074
- 2026-10-03 Alias added: GHSA-pr44-4jfr-286m
References
Exploit 6
Sources
- CVE-2016-10074 · CVE Program
- CVE-2016-10074 · NVD
- FIRST EPSS
- GHSA-pr44-4jfr-286m · GitHub Advisory Database · CC BY 4.0
- CVE-2016-10074 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences