Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-55276
PUBLISHED
More InfoOfficial Page
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
View Known Exploited Vulnerability (KEV) details
Published At-29 Jun, 2026 | 20:42
Updated At-30 Jun, 2026 | 13:59
Rejected At-
▼CVE Numbering Authority (CNA)
Apache Tomcat: Logged effective web.xml is incomplete

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache Tomcat
Default Status
unaffected
Versions
Affected
  • From 11.0.0-M1 through 11.0.22 (semver)
  • From 10.1.0-M1 through 10.1.55 (semver)
  • From 9.0.0.M1 through 9.0.118 (semver)
  • From 8.5.0 through 8.5.100 (semver)
Unaffected
  • From 0 before 8.0.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-670CWE-670 Always-Incorrect Control Flow Implementation
Type: CWE
CWE ID: CWE-670
Description: CWE-670 Always-Incorrect Control Flow Implementation
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
low
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v
vendor-advisory
Hyperlink: https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2026/06/29/23
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/06/29/23
Resource: N/A
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found