CVE-2026-106158: In Progress® Kendo® UI for jQuery, in v2026.3.811 and earlier, the Scheduler Day, Timeline, Month, and Agenda

Routine

MEDIUM 4.7UPGRADE

CVE-2026-106158 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, in v2026.3.811 and earlier, the Scheduler Day, Timeline, Month, and Agenda views insert resource color values into quoted event wrapper attributes without proper encoding. An attacker who can control a resource color can inject additional HTML attributes, including event handlers, and execute JavaScript in a user's browser when the affected event is interacted with. Successful exploitation can compromise the con

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 19:21 UTCUpdated Record last modified

progress kendo ui UPGRADE

Affected: >= 2014.3.1119 and < 2026.3.1015

Fixed in: 2026.3.1015

Safe to downgrade to: a release before 2014.3.1119

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 2014.3.1119 (Debian / Ubuntu)

apt-cache madison kendo-ui sudo apt install kendo-ui=<VERSION_BEFORE_2014.3.1119> 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_2014.3.1119> 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-2026-106158?

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

Is CVE-2026-106158 being exploited?

CVE-2026-106158 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-2026-106158 affect?

CVE-2026-106158 affects kendo ui. Severity is medium (CVSS 4.7). In Progress® Kendo® UI for jQuery, in v2026.3.811 and earlier, the Scheduler Day, Timeline, Month, and Agenda views insert resource color values into quoted event wrapper attributes without proper encoding. An attacker who can control a res

How urgent is CVE-2026-106158?

Priority 18/100. No elevated risk signals yet.

Software pages

jQuery vulnerabilities

Related CVEs

CVE-2026-106159 MEDIUM 4.7 UPGRADE In Progress® Kendo® UI for jQuery versions starting with 2022.3.1109 and prior to 2026.3.1015, ToolBar ButtonG
CVE-2026-106160 MEDIUM 5.4 UPGRADE In Progress® Kendo® UI for jQuery prior to 2026.3.1015, Model.accept passes server-response keys to kendo.sett
CVE-2026-106161 MEDIUM 5.4 UPGRADE In Progress® Kendo® UI for jQuery releases starting with v2020.1.114 and prior to 2026.3.1015, the Badge text
CVE-2026-106162 MEDIUM 4.7 UPGRADE In Progress® Kendo® UI for jQuery versions starting with 2023.3.1010 and prior to 2026.3.1015, the FileManager
CVE-2026-106163 MEDIUM 6.5 UPGRADE In Progress® Kendo® UI for jQuery versions starting with v2023.1.117 and prior to v2026.3.1015, the FileBrowse

References

← Back to latest CVEs