CVE-2026-106159: In Progress® Kendo® UI for jQuery versions starting with 2022.3.1109 and prior to 2026.3.1015, ToolBar ButtonG

Routine

MEDIUM 4.7UPGRADE

CVE-2026-106159 is a medium-severity flaw (CVSS 4.7) affecting kendo ui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Progress® Kendo® UI for jQuery versions starting with 2022.3.1109 and prior to 2026.3.1015, ToolBar ButtonGroup button URLs are concatenated into an unquoted href attribute after URL sanitization. An attacker who can control a button URL can supply an otherwise allowed HTTPS URL containing whitespace and additional attributes, including an event handler, and execute JavaScript in a user's browser when the affected button is interacted with. Su

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-80
Published	2026-10-15
Last modified	2026-10-20

Publisher (CNA): Progress Software Corporation · Vendor: progress

Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-15 14:17 UTCPublished CVE record published
2026-10-20 19:39 UTCUpdated Record last modified

progress kendo ui UPGRADE

Affected: >= 2022.3.1109 and < 2026.3.1015

Fixed in: 2026.3.1015

Safe to downgrade to: a release before 2022.3.1109

1. Check installed version

apt-cache policy kendo-ui || rpm -q kendo-ui || kendo-ui --version

2. UPGRADE to 2026.3.1015 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kendo-ui

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kendo-ui

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 2022.3.1109 (Debian / Ubuntu)

apt-cache madison kendo-ui sudo apt install kendo-ui=<VERSION_BEFORE_2022.3.1109> sudo apt-mark hold kendo-ui

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

dnf --showduplicates list kendo-ui sudo dnf downgrade kendo-ui-<VERSION_BEFORE_2022.3.1109> sudo dnf versionlock add kendo-ui

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-2026-106159?

kendo ui: upgrade to 2026.3.1015. Exact commands for each OS are on this page.

Is CVE-2026-106159 being exploited?

CVE-2026-106159 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-2026-106159 affect?

CVE-2026-106159 affects kendo ui. Severity is medium (CVSS 4.7). In Progress® Kendo® UI for jQuery versions starting with 2022.3.1109 and prior to 2026.3.1015, ToolBar ButtonGroup button URLs are concatenated into an unquoted href attribute after URL sanitization. An attacker who can control a button URL

How urgent is CVE-2026-106159?

Priority 18/100. No elevated risk signals yet.

Software pages

jQuery vulnerabilities

Related CVEs

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References

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