Critical severity9.1NVD Advisory· Published Aug 25, 2026· Updated Aug 27, 2026
CVE-2026-65182
CVE-2026-65182
Description
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path.
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, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tomcat:tomcatMaven | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
org.apache.tomcat:tomcatMaven | >= 10.1.0-M1, < 10.1.58 | 10.1.58 |
org.apache.tomcat:tomcatMaven | >= 9.0.0-M1, < 9.0.121 | 9.0.121 |
org.apache.tomcat:tomcatMaven | >= 8.5.0, <= 8.5.100 | — |
org.apache.tomcat:tomcatMaven | >= 7.0.0, <= 7.0.109 | — |
org.apache.tomcat:tomcat-catalinaMaven | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
org.apache.tomcat:tomcat-catalinaMaven | >= 10.1.0-M1, < 10.1.58 | 10.1.58 |
org.apache.tomcat:tomcat-catalinaMaven | >= 9.0.0-M1, < 9.0.121 | 9.0.121 |
org.apache.tomcat:tomcat-catalinaMaven | >= 8.5.0, <= 8.5.100 | — |
org.apache.tomcat:tomcat-catalinaMaven | >= 7.0.0, <= 7.0.109 | — |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 10.1.0-M1, < 10.1.58 | 10.1.58 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 9.0.0-M1, < 9.0.121 | 9.0.121 |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 8.5.0, <= 8.5.100 | — |
org.apache.tomcat.embed:tomcat-embed-coreMaven | >= 7.0.0, <= 7.0.109 | — |
Affected products
37- osv-coords36 versionspkg:apk/chainguard/camunda-8.8pkg:apk/chainguard/camunda-8.9pkg:apk/chainguard/camunda-zeebe-8.6pkg:apk/chainguard/camunda-zeebe-8.7pkg:apk/chainguard/camunda-zeebe-8.8pkg:apk/chainguard/camunda-zeebe-8.9pkg:apk/chainguard/conductorpkg:apk/chainguard/conductor-fipspkg:apk/chainguard/kayenta-2025.2pkg:apk/chainguard/kayenta-2025.4pkg:apk/chainguard/kayenta-2026.0pkg:apk/chainguard/kayenta-2026.1pkg:apk/chainguard/kayenta-2026.2pkg:apk/chainguard/kayenta-fips-2025.2pkg:apk/chainguard/kayenta-fips-2025.4pkg:apk/chainguard/kayenta-fips-2026.0pkg:apk/chainguard/kayenta-fips-2026.1pkg:apk/chainguard/kayenta-fips-2026.2pkg:apk/chainguard/nacospkg:apk/chainguard/nacos-dockerpkg:apk/chainguard/ontoppkg:apk/chainguard/ontop-fipspkg:apk/chainguard/thingsboard-tb-mqtt-transportpkg:apk/chainguard/thingsboard-tb-nodepkg:apk/wolfi/thingsboard-tb-mqtt-transportpkg:apk/wolfi/thingsboard-tb-nodepkg:bitnami/tomcatpkg:maven/org.apache.tomcat.embed/tomcat-embed-corepkg:maven/org.apache.tomcat/tomcatpkg:maven/org.apache.tomcat/tomcat-catalinapkg:rpm/opensuse/tomcat&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/tomcat10&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat10&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/tomcat11&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat11&distro=openSUSE%20Tumbleweed
< 8.8.37-r1+ 35 more
- (no CPE)range: < 8.8.37-r1
- (no CPE)range: < 8.9.18-r1
- (no CPE)range: < 8.6.39-r12
- (no CPE)range: < 8.7.38-r1
- (no CPE)range: < 8.8.37-r1
- (no CPE)range: < 8.9.18-r1
- (no CPE)range: < 3.32.1-r7
- (no CPE)range: < 3.32.1-r5
- (no CPE)range: < 2025.2.4-r9
- (no CPE)range: < 2025.4.6-r14
- (no CPE)range: < 2026.0.7-r4
- (no CPE)range: < 2026.1.2-r5
- (no CPE)range: < 2026.2.5-r1
- (no CPE)range: < 2025.2.4-r9
- (no CPE)range: < 2025.4.6-r8
- (no CPE)range: < 2026.0.5-r3
- (no CPE)range: < 2026.1.2-r5
- (no CPE)range: < 2026.2.5-r2
- (no CPE)range: < 3.2.4-r1
- (no CPE)range: < 3.2.4-r1
- (no CPE)range: < 5.5.0-r23
- (no CPE)range: < 5.5.0-r17
- (no CPE)range: < 4.3.1.4-r2
- (no CPE)range: < 4.3.1.4-r2
- (no CPE)range: < 4.3.1.4-r2
- (no CPE)range: < 4.3.1.4-r2
- (no CPE)range: < 9.0.121
- (no CPE)range: >= 11.0.0-M1, < 11.0.25
- (no CPE)range: >= 11.0.0-M1, < 11.0.25
- (no CPE)range: >= 11.0.0-M1, < 11.0.25
- (no CPE)range: < 9.0.121-160000.1.1
- (no CPE)range: < 9.0.121-1.1
- (no CPE)range: < 10.1.59-160000.1.1
- (no CPE)range: < 10.1.59-1.1
- (no CPE)range: < 11.0.25-160000.1.1
- (no CPE)range: < 11.0.25-1.1
Patches
Vulnerability mechanics
References
10- www.openwall.com/lists/oss-security/2026/08/26/1nvdThird Party AdvisoryMailing ListWEB
- github.com/advisories/GHSA-gcx9-497g-6cp6ghsaADVISORY
- lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767mnvdVendor AdvisoryMailing ListWEB
- nvd.nist.gov/vuln/detail/CVE-2026-65182ghsaADVISORY
- github.com/apache/tomcat/commit/8bafd79a3b54684e80e9cb1bafd4746aede7d3f5ghsaWEB
- github.com/apache/tomcat/commit/b2c56ec8f20c66773a1a813034ffcdb60841f1cfghsaWEB
- github.com/apache/tomcat/commit/b79752d2a8578d94743e2a95c50af297f780c0dfghsaWEB
- tomcat.apache.org/security-10.htmlghsaWEB
- tomcat.apache.org/security-11.htmlghsaWEB
- tomcat.apache.org/security-9.htmlghsaWEB
News mentions
2- Apache Tomcat Vulnerabilities Let Attackers Bypass Security Controls and Crash ServersCyber Security News · Aug 27, 2026
- Apache: 25 Vulnerabilities Across Tomcat, Camel, Hive, and More Disclosed Aug 24-26Vypr Intelligence · Aug 26, 2026