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TI-2025-35099 Aliases CVE-2025-55668GHSA-23hv-mwm6-g8jf

Apache Tomcat: session fixation via rewrite valve

Priority LOW 31CWE-384Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 14 fixed, 17 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-384.

Summary

Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00945 61st percentileScored 2026-11-07
Fix Partial org.apache.tomcat:tomcat-catalina (Maven): 11.0.8, 10.1.42, 9.0.106org.apache.tomcat.embed:tomcat-embed-core (Maven): 11.0.8, 10.1.42, 9.0.106Red Hat: 13 advisoriesRed Hat: 14 fixed, 17 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tomcat11.0.0-M1 – 11.0.7; 10.1.0-M1 – 10.1.41; 9.0.0.M1 – 9.0.105—No fix listedCNA
—org.apache.tomcat:tomcat-catalina (Maven)11.0.0-M1 to before 11.0.811.0.8Patch availableGHSA-23hv-mwm6-g8jf
—org.apache.tomcat:tomcat-catalina (Maven)10.1.0-M1 to before 10.1.4210.1.42Patch availableGHSA-23hv-mwm6-g8jf
—org.apache.tomcat:tomcat-catalina (Maven)9.0.0.M1 to before 9.0.1069.0.106Patch availableGHSA-23hv-mwm6-g8jf
—org.apache.tomcat.embed:tomcat-embed-core (Maven)11.0.0-M1 to before 11.0.811.0.8Patch availableGHSA-23hv-mwm6-g8jf
—org.apache.tomcat.embed:tomcat-embed-core (Maven)10.1.0-M1 to before 10.1.4210.1.42Patch availableGHSA-23hv-mwm6-g8jf
—org.apache.tomcat.embed:tomcat-embed-core (Maven)9.0.0.M1 to before 9.0.1069.0.106Patch availableGHSA-23hv-mwm6-g8jf
  • Apache Tomcat VendorApache Affected 11.0.0-M1 – 11.0.7; 10.1.0-M1 – 10.1.41; 9.0.0.M1 – 9.0.105 Fixed in — No fix listed CNA
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.8 Fixed in 11.0.8 Patch available GHSA-23hv-mwm6-g8jf
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.42 Fixed in 10.1.42 Patch available GHSA-23hv-mwm6-g8jf
  • org.apache.tomcat:tomcat-catalina (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.106 Fixed in 9.0.106 Patch available GHSA-23hv-mwm6-g8jf
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 11.0.0-M1 to before 11.0.8 Fixed in 11.0.8 Patch available GHSA-23hv-mwm6-g8jf
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 10.1.0-M1 to before 10.1.42 Fixed in 10.1.42 Patch available GHSA-23hv-mwm6-g8jf
  • org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 9.0.0.M1 to before 9.0.106 Fixed in 9.0.106 Patch available GHSA-23hv-mwm6-g8jf

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*9.0.1 to before 9.0.106; 10.0.0 to before 10.1.42; 11.0.0 to before 11.0.8VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*9.0.0 milestone1VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*9.0.0 milestone10VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*9.0.0 milestone11VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*9.0.0 milestone12VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*9.0.0 milestone13VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*9.0.0 milestone14VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*9.0.0 milestone15VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*9.0.0 milestone16VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*9.0.0 milestone17VulnerableApache
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* Versions 9.0.1 to before 9.0.106; 10.0.0 to before 10.1.42; 11.0.0 to before 11.0.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* Versions 9.0.0 milestone1 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:* Versions 9.0.0 milestone10 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:* Versions 9.0.0 milestone11 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:* Versions 9.0.0 milestone12 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:* Versions 9.0.0 milestone13 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:* Versions 9.0.0 milestone14 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:* Versions 9.0.0 milestone15 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:* Versions 9.0.0 milestone16 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:* Versions 9.0.0 milestone17 Vulnerable ·Apache
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*9.0.0 milestone18VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*9.0.0 milestone19VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*9.0.0 milestone2VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*9.0.0 milestone20VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*9.0.0 milestone21VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*9.0.0 milestone22VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*9.0.0 milestone23VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*9.0.0 milestone24VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*9.0.0 milestone25VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*9.0.0 milestone26VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*9.0.0 milestone27VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*9.0.0 milestone3VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*9.0.0 milestone4VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*9.0.0 milestone5VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*9.0.0 milestone6VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*9.0.0 milestone7VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*9.0.0 milestone8VulnerableApache
cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*9.0.0 milestone9VulnerableApache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:* Versions 9.0.0 milestone18 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:* Versions 9.0.0 milestone19 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:* Versions 9.0.0 milestone2 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:* Versions 9.0.0 milestone20 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:* Versions 9.0.0 milestone21 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:* Versions 9.0.0 milestone22 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:* Versions 9.0.0 milestone23 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:* Versions 9.0.0 milestone24 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:* Versions 9.0.0 milestone25 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:* Versions 9.0.0 milestone26 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:* Versions 9.0.0 milestone27 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:* Versions 9.0.0 milestone3 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:* Versions 9.0.0 milestone4 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:* Versions 9.0.0 milestone5 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:* Versions 9.0.0 milestone6 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:* Versions 9.0.0 milestone7 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:* Versions 9.0.0 milestone8 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:* Versions 9.0.0 milestone9 Vulnerable ·Apache

Remediation

  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat:tomcat-catalina (Maven) Fixed in 11.0.8 Advisory →
  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat:tomcat-catalina (Maven) Fixed in 10.1.42 Advisory →
  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat:tomcat-catalina (Maven) Fixed in 9.0.106 Advisory →
  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 11.0.8 Advisory →
  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 10.1.42 Advisory →
  • Fix · GHSA-23hv-mwm6-g8jf org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 9.0.106 Advisory →

Red Hat 13 advisories

  • RHSA-2026:68677 Released 2026-09-17 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 8) tomcat-1:9.0.120-1.el8_10, tomcat-admin-webapps-1:9.0.120-1.el8_10, tomcat-docs-webapp-1:9.0.120-1.el8_10 +5
  • RHSA-2026:68659 Released 2026-09-17 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) tomcat-1:9.0.120-1.el9_6, tomcat-admin-webapps-1:9.0.120-1.el9_6, tomcat-docs-webapp-1:9.0.120-1.el9_6 +5
  • RHSA-2026:68678 Released 2026-09-17 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) tomcat-1:9.0.120-1.el9_2, tomcat-admin-webapps-1:9.0.120-1.el9_2, tomcat-docs-webapp-1:9.0.120-1.el9_2 +5
Show 10 more Red Hat advisories
  • RHSA-2026:68679 Released 2026-09-17 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) tomcat-1:9.0.120-1.el9_4, tomcat-admin-webapps-1:9.0.120-1.el9_4, tomcat-docs-webapp-1:9.0.120-1.el9_4 +5
  • RHSA-2026:68680 Released 2026-09-17 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) tomcat-1:9.0.120-1.el8_8, tomcat-admin-webapps-1:9.0.120-1.el8_8, tomcat-docs-webapp-1:9.0.120-1.el8_8 +5
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) tomcat-1:9.0.120-1.el8_8, tomcat-admin-webapps-1:9.0.120-1.el8_8, tomcat-docs-webapp-1:9.0.120-1.el8_8 +5
  • RHSA-2026:67163 Released 2026-09-14 · Red Hat rating Important
    tomcat9 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) tomcat9-1:9.0.120-1.el10_0, tomcat9-admin-webapps-1:9.0.120-1.el10_0, tomcat9-docs-webapp-1:9.0.120-1.el10_0 +5
  • RHSA-2026:18916 Released 2026-05-19 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 9) tomcat-1:9.0.110-2.el9_8, tomcat-admin-webapps-1:9.0.110-2.el9_8, tomcat-docs-webapp-1:9.0.110-2.el9_8 +5
  • RHSA-2026:18537 Released 2026-05-19 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat-1:10.1.49-1.el10, tomcat-admin-webapps-1:10.1.49-1.el10, tomcat-docs-webapp-1:10.1.49-1.el10 +5
  • RHSA-2026:18536 Released 2026-05-19 · Red Hat rating Important
    tomcat9 security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat9-1:9.0.110-2.el10_2, tomcat9-admin-webapps-1:9.0.110-2.el10_2, tomcat9-docs-webapp-1:9.0.110-2.el10_2 +5
  • RHSA-2026:8334 Released 2026-04-15 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images tomcat10-10.1.54-1.hum1@noarch@public-hummingbird-aarch64-rpms, tomcat10-10.1.54-1.hum1@noarch@public-hummingbird-x86_64-rpms, tomcat10-10.1.54-1.hum1@src +18
  • RHSA-2026:6569 Released 2026-04-04 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images tomcat11-11.0.21-0.1.hum1@noarch@public-hummingbird-aarch64-rpms, tomcat11-11.0.21-0.1.hum1@noarch@public-hummingbird-x86_64-rpms, tomcat11-11.0.21-0.1.hum1@src +14
  • RHSA-2026:2740 Released 2026-02-16 · Red Hat rating Moderate
    Red Hat JBoss Web Server 6.2.0 security release
    • Red Hat JBoss Web Server 6.2 on RHEL 10 jws6-tomcat-10.1.49-7.redhat_00006.1.el10jws, jws6-tomcat-admin-webapps-10.1.49-7.redhat_00006.1.el10jws, jws6-tomcat-docs-webapp-10.1.49-7.redhat_00006.1.el10jws +7
    • Red Hat JBoss Web Server 6.2 on RHEL 8 jws6-tomcat-10.1.49-7.redhat_00006.1.el8jws, jws6-tomcat-admin-webapps-10.1.49-7.redhat_00006.1.el8jws, jws6-tomcat-docs-webapp-10.1.49-7.redhat_00006.1.el8jws +7
    • Red Hat JBoss Web Server 6.2 on RHEL 9 jws6-tomcat-10.1.49-7.redhat_00006.1.el9jws, jws6-tomcat-admin-webapps-10.1.49-7.redhat_00006.1.el9jws, jws6-tomcat-docs-webapp-10.1.49-7.redhat_00006.1.el9jws +7
  • RHSA-2026:2741 Released 2026-02-16 · Red Hat rating Moderate
    Red Hat JBoss Web Server 6.2.0 security release
    • Red Hat JBoss Web Server 6.2.0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Certificate System 10AffectedNo fix yet: Fix deferred
Red Hat Data Grid 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Fuse 7AffectedNo fix yet: Fix deferred
Red Hat JBoss Core ServicesAffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform 7AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform 8AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform Expansion PackAffectedNo fix yet: Fix deferred
Red Hat JBoss Web Server 5AffectedNo fix yet: Fix deferred
Red Hat JBoss Web Server 6AffectedNo fix yet: Fix deferred
Red Hat OpenShift Dev SpacesAffectedNo fix yet: Fix deferred
Red Hat Process Automation 7AffectedNo fix yet: Fix deferred
Red Hat Single Sign-On 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:18536, RHSA-2026:18537
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:68677
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:18916
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:68680
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:68678
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:68679
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:67163
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:68659
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:68680
Red Hat Hardened ImagesFixed RHSA-2026:6569, RHSA-2026:8334
Red Hat JBoss Web Server 6.2 on RHEL 10Fixed RHSA-2026:2740
Red Hat JBoss Web Server 6.2 on RHEL 8Fixed RHSA-2026:2740
Red Hat JBoss Web Server 6.2 on RHEL 9Fixed RHSA-2026:2740
Red Hat JBoss Web Server 6.2.0Fixed RHSA-2026:2741

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-55668
  2. 2026-10-03 Alias added: GHSA-23hv-mwm6-g8jf

References

Advisory 2

Other 8

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
See all 273 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences