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CVE Vulnerability Details :
CVE-2026-43512
PUBLISHED
More InfoOfficial Page
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 15:24
Updated At-14 May, 2026 | 19:53
Rejected At-
▼CVE Numbering Authority (CNA)
Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication 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, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported versions any also be affect Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix 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 11.0.21 (semver)
  • From 10.1.0-M1 through 10.1.54 (semver)
  • From 9.0.0.M1 through 9.0.117 (semver)
  • From 8.5.0 through 8.5.100 (semver)
  • From 7.0.0 through 7.0.109 (semver)

unknown

  • From 0 before 7.0.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-592CWE-592 DEPRECATED: Authentication Bypass Issues
Type: CWE
CWE ID: CWE-592
Description: CWE-592 DEPRECATED: Authentication Bypass Issues
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
moderate
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73
vendor-advisory
Hyperlink: https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73
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/2026/05/12/8
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/12/8
Resource: N/A
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found