CVE-2026-63046: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Apache InL

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2026-63046 is a high-severity flaw (CVSS 8.8) affecting inlong. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Apache InLong. Agent Installer's ModuleManager executes arbitrary shell commands via ExcuteLinux.exeCmd() with no filtering or whitelist validation. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1]/[2] to solve it. [1] https://github.com/apache/inlong/pull/12

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-88
Published	2026-08-21
Last modified	2026-10-16

Publisher (CNA): Apache Software Foundation · Vendor: apache

Last updated 2026-10-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-21 09:16 UTCPublished CVE record published
2026-10-16 15:10 UTCUpdated Record last modified

apache inlong UPGRADE

Affected: >= 2.0.0 and < 2.4.0

Fixed in: 2.4.0

Safe to downgrade to: a release before 2.0.0

1. Check installed version

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

2. UPGRADE to 2.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade inlong

Note

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

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison inlong sudo apt install inlong=<VERSION_BEFORE_2.0.0> sudo apt-mark hold inlong

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list inlong sudo dnf downgrade inlong-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add inlong

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-63046?

inlong: upgrade to 2.4.0. Exact commands for each OS are on this page.

Is CVE-2026-63046 being exploited?

CVE-2026-63046 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-2026-63046 affect?

CVE-2026-63046 affects inlong. Severity is high (CVSS 8.8). Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Apache InLong. Agent Installer's ModuleManager executes arbitrary shell commands via ExcuteLinux.exeCmd() with no filtering or whitelist val

How urgent is CVE-2026-63046?

Priority 49/100. High severity; On your watchlist

Software pages

GitHub vulnerabilities

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References

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