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GitHub Actions nodemailer could allow forged email sending
published 23 days ago
Summary
The nodemailer component used in GitHub Actions can be tricked into sending emails that appear to come from trusted sources. This could be used to deceive recipients or deliver malicious content. Update to the latest version released by TuxCare to eliminate the risk.
What to do
- Update GitHub Actions nodemailer to version 9.0.3-tuxcare.1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| TuxCare:npm | GitHub Actions | nodemailer |
< 9.0.3-tuxcare.1 Fix: upgrade to 9.0.3-tuxcare.1
|
Original advisory text
TuxCare security update for nodemailer (2 CVEs)
TuxCare rebuilt nodemailer to address 2 CVEs. Fixed in 9.0.3-tuxcare.1.
Timeline
Published12 Oct 2026
Updated12 Oct 2026
First seen12 Oct 2026
Sources
CLSA-2026-1791806342 · OSV
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