What’s Vulnerable › Vulnerabilities
CVE-2026-35458: Gotenberg has a ReDoS via extraHttpHeaders scope feature
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2026-04-07 · updated 2026-06-17
- Weakness: CWE-1333
Description
Gotenberg is an API for converting document formats. In 8.29.1 and earlier, 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.
Affected products
- gotenberg: before 8.29.1 — fixed in 8.29.1
How to fix
Upgrade to a fixed version: gotenberg 8.29.1. Check the vendor advisory for mitigations.
References
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