Server-side Request Forgery (SSRF) Affecting github.com/axllent/mailpit/internal/htmlcheck package, versions >=1.28.3 <1.30.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMAXLLENTMAILPITINTERNALHTMLCHECK-17710385
- published30 Jun 2026
- disclosed25 Jun 2026
- creditUnknown
Introduced: 25 Jun 2026
NewCVE-2026-45709 (opens in a new tab)How to fix?
Upgrade github.com/axllent/mailpit/internal/htmlcheck to version 1.30.0 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) in the HTML processing component due to a missing IP-filter dialer. An attacker can access internal network resources by crafting malicious HTML content that triggers requests to private, loopback, or IMDS addresses.