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CVE-2026-102110: An endpoint used during initial appliance setup did not require authentication and did not correctly enforce i

29
Routine
MEDIUM 5.9REMOTEUPGRADE

CVE-2026-102110 is a medium-severity flaw (CVSS 5.9) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An endpoint used during initial appliance setup did not require authentication and did not correctly enforce its intended state precondition, so during the initial activation window an unauthenticated network attacker could repeatedly re-trigger the privileged activation process. This could disrupt setup and leave the appliance in an incompletely configured state. The issue is only reachable while an appliance is being activated for the first tim

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.9 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 86%)
CISA exploited listNo
WeaknessCWE-306, CWE-670
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-2026-102110?

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

Is CVE-2026-102110 being exploited?

CVE-2026-102110 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-2026-102110 affect?

CVE-2026-102110 affects kiteworks. Severity is medium (CVSS 5.9). An endpoint used during initial appliance setup did not require authentication and did not correctly enforce its intended state precondition, so during the initial activation window an unauthenticated network attacker could repeatedly re-tr

How urgent is CVE-2026-102110?

Priority 29/100. Remotely exploitable, no login, no user action

Related CVEs

References

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