CVE-2026-35458

Gotenberg has a ReDoS via extraHttpHeaders scope feature

State: Published
Severity: 8.7 High
Published: Apr 7, 2026
Updated: Apr 9, 2026
Reserved: Apr 2, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	GitHub_M
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
gotenberggotenberg	<= 8.29.1Affected

References

https://github.com/gotenberg/gotenberg/security/advisories/GHSA-fmwg-qcqh-m992

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