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Vulnerabilities

Vulnerability · CVE-2026-35458

Gotenberg is an API for converting document formats.

Published Apr 7, 2026 · catalog updated Jun 17, 2026 · Gotenberg is an API

Check if you run it

No confirmed exploitation is on record for CVE-2026-35458. EPSS is 0.61%. Act only if a listed version of Gotenberg is an API is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Gotenberg is an API).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.61%
Remediation
Version ranges on file
Affected products
cpe thecodingmachine/gotenberg · stated gotenberg

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe thecodingmachine/gotenbergversion unspecified
  • stated gotenberg<= 8.29.1

How to fix CVE-2026-35458

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-35458. EPSS is 0.61%. Act only if a listed version of Gotenberg is an API is installed.

Which versions are affected?

Compare what you have installed with <= 8.29.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1333: Inefficient Regular Expression Complexity. EPSS 0.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-35458

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-35458

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-35458

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.