CVE-2026-43512
CRITICAL9.8EPSS 0.14%Apache Tomcat - Digest authenticator will authenticate any unknown user
發布日:2026/5/12修改日:2026/5/19
描述
Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later
受影響套件(7)
- Bitnami/tomcat>= 10.1.0, < 10.1.55, >= 11.0.0, < 11.0.22, >= 9.0.0, < 9.0.118
- Debian/tomcat10from 0
- Debian/tomcat11from 0
- Debian/tomcat9from 0, < 9.0.70-2
- Maven/org.apache.tomcat.embed:tomcat-embed-corefrom 0, < 9.0.118
- Maven/org.apache.tomcat:tomcatfrom 0, < 9.0.118
- Maven/org.apache.tomcat:tomcat-catalinafrom 0, < 9.0.118
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
參考連結(10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-43512
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-43512
- WEBhttps://github.com/apache/tomcat/commit/3d4d3fae07a6cd9c2eb193c5491001740ec64448
- WEBhttps://github.com/apache/tomcat/commit/6565a6cb6499e56fe2f34457cec99f9d1c4f39e9
- WEBhttps://github.com/apache/tomcat/commit/a99c355e8199adbfd67c9a1fffbd85b810b196cd
- WEBhttps://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73
- WEBhttps://tomcat.apache.org/security-10.html
- WEBhttps://tomcat.apache.org/security-11.html
- WEBhttps://tomcat.apache.org/security-9.html
- WEBhttp://www.openwall.com/lists/oss-security/2026/05/12/8