Apache Tomcat up to 11.0.21 input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Tomcat up to 8.5.100/9.0.117/10.0.27/10.1.54/11.0.21 and classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in input validation. This vulnerability is identified as CVE-2026-41293. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 8.5.100/9.0.117/10.0.27/10.1.54/11.0.21. It has been classified as critical. Affected is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. The impact remains unknown. CVE summarizes:

Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

The weakness was released by Dawit Jeong. The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2026-41293 since 04/20/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/29/2026).

The vulnerability scanner Nessus provides a plugin with the ID 314487 (Linux Distros Unpatched Vulnerability : CVE-2026-41293), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.0.118, 10.1.55 or 11.0.22 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (314487) and CERT Bund (WID-SEC-2026-2308). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • SAP Software

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 314487
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-41293

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tomcat 9.0.118/10.1.55/11.0.22

Timelineinfo

04/20/2026 CVE reserved
05/12/2026 +22 days Advisory disclosed
05/12/2026 +0 days VulDB entry created
07/29/2026 +78 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Researcher: Dawit Jeong
Status: Confirmed

CVE: CVE-2026-41293 (🔒)
GCVE (CVE): GCVE-0-2026-41293
GCVE (VulDB): GCVE-100-363066
CERT Bund: WID-SEC-2026-2308 - SAP Patch Day Juli 2026

Entryinfo

Created: 05/12/2026 18:45
Updated: 07/29/2026 10:22
Changes: 05/12/2026 18:45 (55), 05/14/2026 08:42 (2), 05/19/2026 03:17 (11), 07/29/2026 10:22 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!