CVE-2026-46584: Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache

Routine

LOW 3.7REMOTEWATCHLISTUPGRADE

CVE-2026-46584 is a low-severity flaw (CVSS 3.7) affecting camel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Camel Mail Component. The camel-mail producer (MailProducer.getSender) scanned the outgoing Exchange for message headers in the mail.smtp. / mail.smtps. namespace and, when any were present, built a per-message JavaMail sender with those values applied as JavaMail session properties, overriding the endpoint configuration. This namespace

Why this priority

Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-20, CWE-200
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: >= 4.0.0 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 4.0.0

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 4.0.0 (Debian / Ubuntu)

apt-cache madison camel sudo apt install camel=<VERSION_BEFORE_4.0.0> 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_4.0.0> 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-2026-46584?

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

Is CVE-2026-46584 being exploited?

CVE-2026-46584 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-2026-46584 affect?

CVE-2026-46584 affects camel. Severity is low (CVSS 3.7). Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Camel Mail Component. The camel-mail producer (MailProducer.getSender) scanned the outgoing Exchange for message headers in the m

How urgent is CVE-2026-46584?

Priority 35/100. Remotely exploitable, no login, no user action; On your watchlist

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References

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