CVE-2026-66422

highpriority · track · 0EPSS 0.004 · 36 %ileDEFRRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (36th) EPSS

CVSS 8.1 · high

Is it mine?

39 products

Check your exposure

Who says so?

4 sources

fstec_bdu · cert_bund · osv · certfr

EPSS · scored 2026-10-22

Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole(). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.25 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. 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.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondaryexploitability 2.8 · impact 5.2

v3.17.4highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-285USCWE-285US

affected products (39)

Products and version ranges known to be affected.

Atlassian Bamboo≤ LTS <10.2.24cert_bundDE
Atlassian Bamboo≤ LTS <12.1.12cert_bundDE
Atlassian Bitbucket≤ LTS <10.2.8cert_bundDE
Atlassian Bitbucket≤ LTS <9.4.26cert_bundDE
Atlassian Bitbucket< 10.5.1cert_bundDE
Atlassian Confluence≤ LTS <10.2.19cert_bundDE
Atlassian Confluence≤ LTS <9.2.26cert_bundDE
Atlassian Confluence< 11.0.0cert_bundDE
Atlassian Crucible< 4.9.15cert_bundDE
Atlassian Fisheye< 4.9.15cert_bundDE
Atlassian Jira≤ LTS <10.3.26cert_bundDE
Atlassian Jira≤ LTS <11.3.12cert_bundDE
Apache Software Foundation Tomcat10.1.0 → 10.1.58fstec_bduRU
Apache Software Foundation Tomcat11.0.0 → 11.0.25fstec_bduRU
Apache Software Foundation Tomcat7.0.97 → 7.0.109fstec_bduRU
Apache Software Foundation Tomcat8.5.46 → 9.0.121fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 10fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9fstec_bduRU
Red Hat, Inc. Red Hat Hardened Imagesall versionsfstec_bduRU

showing 20 of 39

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3007Apache Tomcat: Mehrere SchwachstellenDeutsch2026-08-25csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apache Tomcat ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Berechtigungen zu erweitern, Daten zu manipulieren oder offenzulegen oder Denial-of-Service-Zustände zu verursachen.
WID-SEC-W-2026-3595IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2026-09-27csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen und um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2026-4056Atlassian Produkte (Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira): Mehrere SchwachstellenDeutsch2026-10-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira ausnutzen, um Daten zu manipulieren, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen und um beliebigen Programmcode auszuführen.
BIT-tomcat-2026-66422Apache Tomcat: Servlet role references can bypass declarative role constraints2026-09-11vendor · osvUS
Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole(). This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, from 9.0.25 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. 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.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

fstec_bdu cert_bund osv certfr NVD CVE.org MITRE

published 2026-08-25modified 2026-10-09

references (2) nvd

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/08/26/6Third Party AdvisoryMailing List
https://lists.apache.org/thread/j5plylz1b2vhqvbkqn7k58nygxhcpk73Vendor AdvisoryMailing List

scry

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