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CVE-2026-20289: A vulnerability in the logging subsystem of Cisco RoomOS could allow an authenticated, local attacker with low

26
Routine
MEDIUM 5.7UPGRADEUPGRADE

CVE-2026-20289 is a medium-severity flaw (CVSS 5.7) affecting roomos, roomos cloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the logging subsystem of Cisco RoomOS could allow an authenticated, local attacker with low privileges to access sensitive information. This vulnerability is due to the logging of sensitive information. An attacker could exploit this vulnerability by enabling a specific logging level and then collecting the system logs. A successful exploit could allow the attacker to view sensitive information like user login credentials.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.7 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.3% (top 75%)
CISA exploited listNo
WeaknessCWE-532
Published2026-08-05
Last modified2026-10-23
Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

cisco roomos UPGRADE
Affected: >= 26.0.1.2 and < 26.7.2.2
Fixed in: 26.7.2.2
Safe to downgrade to: a release before 26.0.1.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
cisco roomos cloud UPGRADE
Affected: < 11.39.1.3 · >= 26.0.1.2 and < 26.7.1.12
Fixed in: 11.39.1.3, 26.7.1.12
Safe to downgrade to: a release before 26.0.1.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2026-20289?

roomos: upgrade to 26.7.2.2; roomos cloud: upgrade to 11.39.1.3, 26.7.1.12. Exact commands for each OS are on this page.

Is CVE-2026-20289 being exploited?

CVE-2026-20289 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-2026-20289 affect?

CVE-2026-20289 affects roomos, roomos cloud. Severity is medium (CVSS 5.7). A vulnerability in the logging subsystem of Cisco RoomOS could allow an authenticated, local attacker with low privileges to access sensitive information. This vulnerability is due to the logging of sensitive information. An attacker cou

How urgent is CVE-2026-20289?

Priority 26/100. No elevated risk signals yet.

Software pages

Cisco vulnerabilities

References

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