CVE-2026-102130: Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowe

Q: How do I fix CVE-2026-102130?

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

Q: Is CVE-2026-102130 being exploited?

CVE-2026-102130 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-102130 affect?

CVE-2026-102130 affects kiteworks. Severity is high (CVSS 7.2). Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execut

This month

HIGH 7.2UPGRADE

CVE-2026-102130 is a high-severity flaw (CVSS 7.2) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execute arbitrary code on the gateway as the underlying service account.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-94, CWE-434
Published	2026-09-30
Last modified	2026-10-08

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: accellion

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-30 21:17 UTCPublished CVE record published
2026-10-08 13:44 UTCUpdated Record last modified

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-2026-102130?

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

Is CVE-2026-102130 being exploited?

CVE-2026-102130 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-2026-102130 affect?

CVE-2026-102130 affects kiteworks. Severity is high (CVSS 7.2). Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execut

How urgent is CVE-2026-102130?

Priority 42/100. High severity

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References

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