Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Published May 12, 2026
7.5
HIGHCVSS 3.1
EPSS 0.86%
Description
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Affected products
-
- Version 10.0.0-M1StatusaffectedConstraints<=10.0.27
- Version 10.1.0-M1StatusaffectedConstraints<=10.1.54
- Version 11.0.0-M1StatusaffectedConstraints<=11.0.21
- Version 4.0StatusaffectedConstraints<=7.0.109
- Version 8.5.0StatusaffectedConstraints<=8.5.100
- Version 9.0.0.M1StatusaffectedConstraints<=9.0.117
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | unaffected |
|
No data.
Red Hat Hardened Images
tomcat10-main-10.1.60-0.1.hum1
Fixed · RHSA-2026:68257
Red Hat Hardened Images
tomcat11-main-11.0.26-0.1.hum1
Fixed · RHSA-2026:68258
Red Hat JBoss Web Server 6.2 on RHEL 10
jws6-tomcat-0:10.1.49-15.redhat_00013.1.el10jws
Fixed · RHSA-2026:43401
Red Hat JBoss Web Server 6.2 on RHEL 8
jws6-tomcat-0:10.1.49-15.redhat_00013.1.el8jws
Fixed · RHSA-2026:43401
Red Hat JBoss Web Server 6.2 on RHEL 9
jws6-tomcat-0:10.1.49-15.redhat_00013.1.el9jws
Fixed · RHSA-2026:43401
Red Hat JBoss Web Server 6.2.4
tomcat-catalina
Fixed · RHSA-2026:43402
Red Hat JBoss Web Server 7.0 on RHEL 10
jws7-tomcat-0:11.0.21-5.redhat_00004.1.el10jws
Fixed · RHSA-2026:39188
Red Hat JBoss Web Server 7.0 on RHEL 8
jws7-tomcat-0:11.0.21-5.redhat_00004.1.el8jws
Fixed · RHSA-2026:39188
Red Hat JBoss Web Server 7.0 on RHEL 9
jws7-tomcat-0:11.0.21-5.redhat_00004.1.el9jws
Fixed · RHSA-2026:39188
Red Hat JBoss Web Server 7.0.0
tomcat-catalina
Fixed · RHSA-2026:39189
Red Hat Data Grid 8
tomcat-embed-core
Not affected
Red Hat Hardened Images
hi/tomcat
Not affected
Red Hat JBoss Web Server 5
tomcat-embed-core
Will not fix
Red Hat Single Sign-On 7
tomcat-embed-core
Fix deferred
Red Hat build of Apache Camel - HawtIO 4
tomcat-embed-core
Affected
Red Hat build of Debezium 3
annotations-api
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Hardened Images | tomcat10-main-10.1.60-0.1.hum1 | Fixed | RHSA-2026:68257 |
| Red Hat Hardened Images | tomcat11-main-11.0.26-0.1.hum1 | Fixed | RHSA-2026:68258 |
| Red Hat JBoss Web Server 6.2 on RHEL 10 | jws6-tomcat-0:10.1.49-15.redhat_00013.1.el10jws | Fixed | RHSA-2026:43401 |
| Red Hat JBoss Web Server 6.2 on RHEL 8 | jws6-tomcat-0:10.1.49-15.redhat_00013.1.el8jws | Fixed | RHSA-2026:43401 |
| Red Hat JBoss Web Server 6.2 on RHEL 9 | jws6-tomcat-0:10.1.49-15.redhat_00013.1.el9jws | Fixed | RHSA-2026:43401 |
| Red Hat JBoss Web Server 6.2.4 | tomcat-catalina | Fixed | RHSA-2026:43402 |
| Red Hat JBoss Web Server 7.0 on RHEL 10 | jws7-tomcat-0:11.0.21-5.redhat_00004.1.el10jws | Fixed | RHSA-2026:39188 |
| Red Hat JBoss Web Server 7.0 on RHEL 8 | jws7-tomcat-0:11.0.21-5.redhat_00004.1.el8jws | Fixed | RHSA-2026:39188 |
| Red Hat JBoss Web Server 7.0 on RHEL 9 | jws7-tomcat-0:11.0.21-5.redhat_00004.1.el9jws | Fixed | RHSA-2026:39188 |
| Red Hat JBoss Web Server 7.0.0 | tomcat-catalina | Fixed | RHSA-2026:39189 |
| Red Hat Data Grid 8 | tomcat-embed-core | Not affected | n/a |
| Red Hat Hardened Images | hi/tomcat | Not affected | n/a |
| Red Hat JBoss Web Server 5 | tomcat-embed-core | Will not fix | n/a |
| Red Hat Single Sign-On 7 | tomcat-embed-core | Fix deferred | n/a |
| Red Hat build of Apache Camel - HawtIO 4 | tomcat-embed-core | Affected | n/a |
| Red Hat build of Debezium 3 | annotations-api | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (14)
- http://www.openwall.com/lists/oss-security/2026/05/12/12 Mailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-41284 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2476518 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29513 Advisory
- https://github.com/advisories/GHSA-gx5v-xp9w-j4cg Advisory
- https://github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c
- https://github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c
- https://github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed
- https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc vendor-advisoryMailing ListVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-41284
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- https://www.cve.org/CVERecord?id=CVE-2026-41284
Change history (0)
No recorded changes yet.