CVE-2026-43512

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/12/8	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

15 May 2026, 15:54

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73 -~~	() https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73 - Mailing List, Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/05/12/8 -~~	() http://www.openwall.com/lists/oss-security/2026/05/12/8 - Mailing List, Third Party Advisory
CPE		cpe:2.3:a:apache:tomcat::::::::
First Time		Apache tomcat Apache

14 May 2026, 20:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

12 May 2026, 18:17

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/05/12/8 -

12 May 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-12 16:16

Updated : 2026-05-15 15:54

NVD link : CVE-2026-43512

Mitre link : CVE-2026-43512

CVE.ORG link : CVE-2026-43512

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-592

DEPRECATED: Authentication Bypass Issues

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