CLSA-2026-1794162270: TuxCare security update for io.undertow (4 CVEs)
Published Nov 8, 2026
·Updated
TuxCare rebuilt 2 io.undertow packages to address 4 CVEs. Fixed in 1.4.27.Final-tuxcare.4.
Affected Software
2 affected componentsFixes available
tuxcare/io.undertow:undertow-core>=1.4.27.Final<1.4.27.Final-tuxcare.4
1.4.27.Final-tuxcare.4
tuxcare/io.undertow:undertow-servlet>=1.4.27.Final<1.4.27.Final-tuxcare.4
1.4.27.Final-tuxcare.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
tuxcare/io.undertow:undertow-coreto a version that resolves this vulnerability.Fixed in 1.4.27.Final-tuxcare.4 - Upgrade
Upgrade
tuxcare/io.undertow:undertow-servletto a version that resolves this vulnerability.Fixed in 1.4.27.Final-tuxcare.4 - Upgrade
Upgrade
io.undertowto a version that resolves this vulnerability.Fixed in 1.4.27.Final-tuxcare.4
Event History
Nov 8, 2026
Advisory Published
via OSV·07:24 PM
Data Sourced
via OSV·07:24 PM
DescriptionAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
Which packages need to be updated?
The update applies to the tuxcare/io.undertow:undertow-core and tuxcare/io.undertow:undertow-servlet packages.
2
What version contains the fixes?
The four addressed CVEs are fixed in version 1.4.27.Final-tuxcare.4.