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CVE-2026-102136: In multi-node deployments, an attacker who had already obtained code execution on one appliance node could sub

23
Routine
MEDIUM 6.3UPGRADE

CVE-2026-102136 is a medium-severity flaw (CVSS 6.3) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In multi-node deployments, an attacker who had already obtained code execution on one appliance node could submit a value through an internal cluster interface that was written into monitoring configuration on another node without sufficient validation, potentially allowing OS commands to be executed there. Execution was limited to an unprivileged service account on that node.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.3 (Medium)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 98%)
CISA exploited listNo
WeaknessCWE-93
Published2026-09-30
Last modified2026-10-13
Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: accellion

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Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

accellion kiteworks UPGRADE
Affected: < 9.5.1
Fixed in: 9.5.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy kiteworks || rpm -q kiteworks || kiteworks --version
2. UPGRADE to 9.5.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade kiteworks
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade kiteworks
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2026-102136?

kiteworks: upgrade to 9.5.1. Exact commands for each OS are on this page.

Is CVE-2026-102136 being exploited?

CVE-2026-102136 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-2026-102136 affect?

CVE-2026-102136 affects kiteworks. Severity is medium (CVSS 6.3). In multi-node deployments, an attacker who had already obtained code execution on one appliance node could submit a value through an internal cluster interface that was written into monitoring configuration on another node without sufficien

How urgent is CVE-2026-102136?

Priority 23/100. No elevated risk signals yet.

Related CVEs

References

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