CVE-2026-35458: Gotenberg Vulnerable to ReDoS via extraHttpHeaders scope feature

April 7, 2026

Gotenberg uses dlclark/regexp2 to compile user-supplied scope patterns without setting a proper timeout. Users with access to features using this logic can hang workers indefinitely.

References

github.com/advisories/GHSA-fmwg-qcqh-m992
github.com/gotenberg/gotenberg
github.com/gotenberg/gotenberg/commit/cfb48d9af48cb236244eabe5c67fe1d30fb3fe25
github.com/gotenberg/gotenberg/security/advisories/GHSA-fmwg-qcqh-m992
nvd.nist.gov/vuln/detail/CVE-2026-35458

Code Behaviors & Features

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