CVE-2026-63016: Uncontrolled Resource Consumption vulnerability in Apache InLong

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MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2026-63016 is a medium-severity flaw (CVSS 5.3) affecting inlong. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Uncontrolled Resource Consumption vulnerability in Apache InLong. Users could affect operational configuration or allow upload of non-official packages. 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] to solve it. [1] https://github.com/apache/inlong/pull/12095 https://github.com/apache/inlong/pull/11732

Why this priority

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	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-08-20
Last modified	2026-10-18

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

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-20 16:17 UTCPublished CVE record published
2026-10-18 20:10 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-2026-63016?

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

Is CVE-2026-63016 being exploited?

CVE-2026-63016 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-2026-63016 affect?

CVE-2026-63016 affects inlong. Severity is medium (CVSS 5.3). Uncontrolled Resource Consumption vulnerability in Apache InLong. Users could affect operational configuration or allow upload of non-official packages. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upg

How urgent is CVE-2026-63016?

Priority 41/100. Remotely exploitable, no login, no user action; On your watchlist

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References

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