Apache Tomcat up to 11.0.24 Form Authentication improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Tomcat up to 7.0.109/8.5.100/9.0.120/10.1.57/11.0.24. It has been rated as critical. Impacted is an unknown function of the component Form Authentication. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2026-68525. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 7.0.109/8.5.100/9.0.120/10.1.57/11.0.24. It has been classified as critical. This affects an unknown function of the component Form Authentication. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. 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, from 7.0.0 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 fixes the issue.

It is possible to read the advisory at lists.apache.org. This vulnerability is uniquely identified as CVE-2026-68525 since 07/30/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/15/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 345835 (SUSE SLES15: tomcat10 / tomcat10-admin-webapps / tomcat10-el-5_0-api / etc (SUSE-SU-2026:4119-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.0.121, 10.1.58 or 11.0.25 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (345835) and EUVD (EUVD-2026-66132). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 345835
Nessus Name: SUSE SLES15: tomcat10 / tomcat10-admin-webapps / tomcat10-el-5_0-api / etc (SUSE-SU-2026:4119-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tomcat 9.0.121/10.1.58/11.0.25

Timelineinfo

07/30/2026 CVE reserved
08/25/2026 +26 days VulDB entry created
08/26/2026 +0 days Advisory disclosed
09/15/2026 +20 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-68525 (🔒)
GCVE (CVE): GCVE-0-2026-68525
GCVE (VulDB): GCVE-100-395367
EUVD: 🔒

Entryinfo

Created: 08/26/2026 00:17
Updated: 09/15/2026 17:31
Changes: 08/26/2026 00:17 (55), 08/26/2026 06:22 (1), 09/15/2026 17:31 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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