CVE-2022-24803: Asciidoctor-include-ext is Asciidoctor’s standard include processor reimplemented as an extension

Q: How do I fix CVE-2022-24803?

asciidoctor-include-ext: upgrade to 0.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-24803 being exploited?

CVE-2022-24803 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-2022-24803 affect?

CVE-2022-24803 affects asciidoctor-include-ext. Severity is critical (CVSS 10.0). Asciidoctor-include-ext is Asciidoctor’s standard include processor reimplemented as an extension. Versions prior to 0.4.0, when used to render user-supplied input in AsciiDoc markup, may allow an attacker to execute arbitrary system comman

Q: How urgent is CVE-2022-24803?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 10.0REMOTEUPGRADE

CVE-2022-24803 is a critical-severity flaw (CVSS 10.0) affecting asciidoctor-include-ext. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Asciidoctor-include-ext is Asciidoctor’s standard include processor reimplemented as an extension. Versions prior to 0.4.0, when used to render user-supplied input in AsciiDoc markup, may allow an attacker to execute arbitrary system commands on the host operating system. This attack is possible even when `allow-uri-read` is disabled! The problem has been patched in the referenced commits.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-04-01
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: asciidoctor-include-ext project

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

Am I affected?

Timeline

2022-04-01 00:15 UTCPublished CVE record published
2026-06-17 04:32 UTCUpdated Record last modified

asciidoctor-include-ext project asciidoctor-include-ext UPGRADE

Affected: < 0.4.0

Fixed in: 0.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy asciidoctor-include-ext || rpm -q asciidoctor-include-ext || asciidoctor-include-ext --version

2. UPGRADE to 0.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade asciidoctor-include-ext

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade asciidoctor-include-ext

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-2022-24803?

asciidoctor-include-ext: upgrade to 0.4.0. Exact commands for each OS are on this page.

Is CVE-2022-24803 being exploited?

CVE-2022-24803 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-2022-24803 affect?

CVE-2022-24803 affects asciidoctor-include-ext. Severity is critical (CVSS 10.0). Asciidoctor-include-ext is Asciidoctor’s standard include processor reimplemented as an extension. Versions prior to 0.4.0, when used to render user-supplied input in AsciiDoc markup, may allow an attacker to execute arbitrary system comman

How urgent is CVE-2022-24803?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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