CVE-2024-42056: Retool (self-hosted enterprise) through 3.40.0 inserts resource authentication credentials into sent data

Routine

MEDIUM 6.5UPGRADE

CVE-2024-42056 is a medium-severity flaw (CVSS 6.5) affecting retool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Retool (self-hosted enterprise) through 3.40.0 inserts resource authentication credentials into sent data. Credentials for users with "Use" permissions can be discovered (by an authenticated attacker) via the /api/resources endpoint. The earliest affected version is 3.18.1.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-532, CWE-352
Published	2024-08-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: retool

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

Am I affected?

Timeline

2024-08-22 01:15 UTCPublished CVE record published
2026-06-17 07:48 UTCUpdated Record last modified

retool retool UPGRADE

Affected: >= 3.18.1 and <= 3.40.0

Fixed in: newer than 3.40.0

Safe to downgrade to: a release before 3.18.1

1. Check installed version

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

2. UPGRADE to newer than 3.40.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade retool

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 3.18.1 (Debian / Ubuntu)

apt-cache madison retool sudo apt install retool=<VERSION_BEFORE_3.18.1> sudo apt-mark hold retool

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

dnf --showduplicates list retool sudo dnf downgrade retool-<VERSION_BEFORE_3.18.1> sudo dnf versionlock add retool

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-2024-42056?

retool: upgrade to newer than 3.40.0. Exact commands for each OS are on this page.

Is CVE-2024-42056 being exploited?

CVE-2024-42056 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-2024-42056 affect?

CVE-2024-42056 affects retool. Severity is medium (CVSS 6.5). Retool (self-hosted enterprise) through 3.40.0 inserts resource authentication credentials into sent data. Credentials for users with "Use" permissions can be discovered (by an authenticated attacker) via the /api/resources endpoint. The ea

How urgent is CVE-2024-42056?

Priority 26/100. No elevated risk signals yet.

References

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