CVE-2025-15342: Tanium addressed an improper access controls vulnerability in Reputation.

Routine

MEDIUM 4.3UPGRADE

CVE-2025-15342 is a medium-severity flaw (CVSS 4.3) affecting reputation. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tanium addressed an improper access controls vulnerability in Reputation.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-02-05
Last modified	2026-06-17

Publisher (CNA): Tanium · Vendor: tanium

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

Am I affected?

Timeline

2026-02-05 19:15 UTCPublished CVE record published
2026-06-17 08:37 UTCUpdated Record last modified

tanium reputation UPGRADE

Affected: >= 6.3.0 and < 6.3.227 · >= 6.5.0 and < 6.5.50 · >= 6.6.0 and < 6.6.72

Fixed in: 6.3.227, 6.5.50, 6.6.72

Safe to downgrade to: a release before 6.3.0

1. Check installed version

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

2. UPGRADE to 6.3.227 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reputation

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 6.3.0 (Debian / Ubuntu)

apt-cache madison reputation sudo apt install reputation=<VERSION_BEFORE_6.3.0> sudo apt-mark hold reputation

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

dnf --showduplicates list reputation sudo dnf downgrade reputation-<VERSION_BEFORE_6.3.0> sudo dnf versionlock add reputation

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-2025-15342?

reputation: upgrade to 6.3.227, 6.5.50, 6.6.72. Exact commands for each OS are on this page.

Is CVE-2025-15342 being exploited?

CVE-2025-15342 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-2025-15342 affect?

CVE-2025-15342 affects reputation. Severity is medium (CVSS 4.3). Tanium addressed an improper access controls vulnerability in Reputation.

How urgent is CVE-2025-15342?

Priority 19/100. No elevated risk signals yet.

References

← Back to latest CVEs