CVE-2026-42592: Gotenberg is a Docker-powered stateless API for PDF files

Q: How do I fix CVE-2026-42592?

gotenberg: upgrade to 8.32.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-42592 being exploited?

CVE-2026-42592 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42592 affect?

CVE-2026-42592 affects gotenberg. Severity is medium (CVSS 5.3). Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved address

Q: How urgent is CVE-2026-42592?

Priority 36/100. Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2026-42592 is a medium-severity flaw (CVSS 5.3) affecting gotenberg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when it navigates to the URL. An attacker who controls DNS for a hostname with a short TTL returns a public IP on the first query (Gotenberg allows) and a priv

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-367, CWE-918
Published	2026-05-14
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: thecodingmachine

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-14 16:16 UTCPublished CVE record published
2026-06-17 10:48 UTCUpdated Record last modified

thecodingmachine gotenberg UPGRADE

Affected: < 8.32.0

Fixed in: 8.32.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gotenberg || rpm -q gotenberg || gotenberg --version

2. UPGRADE to 8.32.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gotenberg

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gotenberg

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42592?

gotenberg: upgrade to 8.32.0. Exact commands for each OS are on this page.

Is CVE-2026-42592 being exploited?

CVE-2026-42592 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42592 affect?

CVE-2026-42592 affects gotenberg. Severity is medium (CVSS 5.3). Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved address

How urgent is CVE-2026-42592?

Priority 36/100. Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Docker vulnerabilities · Chromium vulnerabilities

Related CVEs

CVE-2026-40280 HIGH 7.5 UPGRADE Gotenberg is an API-based document conversion tool
CVE-2026-39383 HIGH 7.2 UPGRADE Gotenberg is an API-based document conversion tool
CVE-2026-42597 MEDIUM 5.9 UPGRADE Gotenberg is a Docker-powered stateless API for PDF files
CVE-2026-42596 CRITICAL 9.4 UPGRADE Gotenberg is a Docker-powered stateless API for PDF files
CVE-2026-42595 HIGH 8.6 UPGRADE Gotenberg is a Docker-powered stateless API for PDF files

References

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