Server-side Request Forgery (SSRF) Affecting github.com/gotenberg/gotenberg/v8/pkg/modules/api package, versions <8.29.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMGOTENBERGGOTENBERGV8PKGMODULESAPI-15855292
- published31 Mar 2026
- disclosed30 Mar 2026
- creditq1uf3ng
Introduced: 30 Mar 2026
CVE-2026-27018 (opens in a new tab)How to fix?
Upgrade github.com/gotenberg/gotenberg/v8/pkg/modules/api to version 8.29.0 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) through improper handling of case-insensitive URL schemes in the FilterDeadline function. An attacker can access arbitrary files within the container by submitting URLs with mixed-case or uppercase schemes that bypass the deny-list check.