Логотип exploitDog
Консоль
Логотип exploitDog

exploitDog

redhat логотип

CVE-2026-65927

Опубликовано: 25 авг. 2026
Источник: redhat
CVSS3: 8.2
EPSS Низкий

Описание

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121 which fix the issue.

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's [N] flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls.

Отчет

This is an Important flaw in Apache Tomcat due to an off-by-one error in the RewriteValve's [N] flag processing. This vulnerability can lead to an access control bypass, allowing unauthorized access to resources in applications that utilize the RewriteValve with the [N] flag.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10tomcatUnder investigation
Red Hat Enterprise Linux 10tomcat9Under investigation
Red Hat Enterprise Linux 6tomcat6Under investigation
Red Hat Enterprise Linux 7tomcatUnder investigation
Red Hat Enterprise Linux 8pki-deps:10.6/pki-servlet-engineUnder investigation
Red Hat Enterprise Linux 8tomcatUnder investigation
Red Hat Enterprise Linux 9tomcatUnder investigation
Red Hat JBoss Web Server 5tomcatOut of support scope
Red Hat JBoss Web Server 6tomcatAffected
Red Hat JBoss Web Server 7tomcatAffected

Показывать по

Дополнительная информация

Статус:

Important
Дефект:
CWE-193
https://bugzilla.redhat.com/show_bug.cgi?id=2524154tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

EPSS

Процентиль: 54%
0.00779
Низкий

8.2 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
30 дней назад

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121 which fix the issue.

CVSS3: 7.5
nvd
30 дней назад

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121 which fix the issue.

CVSS3: 7.5
debian
30 дней назад

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag ...

CVSS3: 7.5
redos
3 дня назад

Уязвимость tomcat11

CVSS3: 7.5
redos
3 дня назад

Уязвимость tomcat10

EPSS

Процентиль: 54%
0.00779
Низкий

8.2 High

CVSS3

Уязвимость CVE-2026-65927