CVE-2024-12678: Nomad Community and Nomad Enterprise ("Nomad") allocations are vulnerable to privilege escalation within a nam

Routine

MEDIUM 6.5UPGRADE

CVE-2024-12678 is a medium-severity flaw (CVSS 6.5) affecting nomad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nomad Community and Nomad Enterprise ("Nomad") allocations are vulnerable to privilege escalation within a namespace through unredacted workload identity tokens. This vulnerability, identified as CVE-2024-12678, is fixed in Nomad Community Edition 1.9.4 and Nomad Enterprise 1.9.4, 1.8.8, and 1.7.16.

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	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-266
Published	2024-12-20
Last modified	2026-06-17

Publisher (CNA): HashiCorp Inc. · Vendor: hashicorp

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

Am I affected?

Timeline

2024-12-20 02:15 UTCPublished CVE record published
2026-06-17 07:00 UTCUpdated Record last modified

hashicorp nomad UPGRADE

Affected: >= 1.4.0 and < 1.7.16 · >= 1.4.0 and < 1.9.4 · >= 1.8.0 and < 1.8.8 · >= 1.9.0 and < 1.9.4

Fixed in: 1.7.16, 1.8.8, 1.9.4

Safe to downgrade to: a release before 1.4.0

1. Check installed version

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

2. UPGRADE to 1.7.16 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nomad

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 1.4.0 (Debian / Ubuntu)

apt-cache madison nomad sudo apt install nomad=<VERSION_BEFORE_1.4.0> sudo apt-mark hold nomad

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

dnf --showduplicates list nomad sudo dnf downgrade nomad-<VERSION_BEFORE_1.4.0> sudo dnf versionlock add nomad

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-2024-12678?

nomad: upgrade to 1.7.16, 1.8.8, 1.9.4. Exact commands for each OS are on this page.

Is CVE-2024-12678 being exploited?

CVE-2024-12678 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-2024-12678 affect?

CVE-2024-12678 affects nomad. Severity is medium (CVSS 6.5). Nomad Community and Nomad Enterprise ("Nomad") allocations are vulnerable to privilege escalation within a namespace through unredacted workload identity tokens. This vulnerability, identified as CVE-2024-12678, is fixed in Nomad Community

How urgent is CVE-2024-12678?

Priority 34/100. No elevated risk signals yet.

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References

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