CVE-2026-46453: Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel Elas

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MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2026-46453 is a medium-severity flaw (CVSS 5.3) affecting camel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client. The camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SEARCH_QUERY (an advanced query body), OPERATION (which Elasticsearch operation to run), INDEX_NAME, INDEX_SETTINGS and ID. The string values of these header constants, defined in ElasticSearchRestClientConstant,

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 54%)
CISA exploited list	No
Weakness	CWE-20, CWE-639
Published	2026-07-06
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-06 09:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

apache camel UPGRADE

Affected: >= 4.3.0 and < 4.14.8 · >= 4.15.0 and < 4.18.3 · >= 4.19.0 and < 4.21.0

Fixed in: 4.14.8, 4.18.3, 4.21.0

Safe to downgrade to: a release before 4.3.0

1. Check installed version

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

2. UPGRADE to 4.14.8 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade camel

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 4.3.0 (Debian / Ubuntu)

apt-cache madison camel sudo apt install camel=<VERSION_BEFORE_4.3.0> sudo apt-mark hold camel

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

dnf --showduplicates list camel sudo dnf downgrade camel-<VERSION_BEFORE_4.3.0> sudo dnf versionlock add camel

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-2026-46453?

camel: upgrade to 4.14.8, 4.18.3, 4.21.0. Exact commands for each OS are on this page.

Is CVE-2026-46453 being exploited?

CVE-2026-46453 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-2026-46453 affect?

CVE-2026-46453 affects camel. Severity is medium (CVSS 5.3). Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Apache Camel ElasticSearch Rest Client. The camel-elasticsearch-rest-client component reads several Exchange headers to control its behaviour - SE

How urgent is CVE-2026-46453?

Priority 40/100. Remotely exploitable, no login, no user action; On your watchlist

Software pages

Elasticsearch vulnerabilities

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References

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