IBM WebSphere Application Server up to 26.0.0.8 restConnector-2.0 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$5k-$25k4.06

Summaryinfo

A vulnerability marked as problematic has been reported in IBM WebSphere Application Server up to 26.0.0.8. Affected by this issue is some unknown functionality of the component restConnector-2.0. This manipulation causes denial of service. The identification of this vulnerability is CVE-2026-16192. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in IBM WebSphere Application Server up to 26.0.0.8 and classified as problematic. Affected by this vulnerability is an unknown code of the component restConnector-2.0. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service vulnerability when the restConnector-2.0 feature is enabled.

The advisory is shared at ibm.com. This vulnerability is known as CVE-2026-16192 since 07/18/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/28/2026). MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/18/2026 CVE reserved
07/28/2026 +10 days Advisory disclosed
07/28/2026 +0 days VulDB entry created
07/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-16192 (🔒)
GCVE (CVE): GCVE-0-2026-16192
GCVE (VulDB): GCVE-100-383989

Entryinfo

Created: 07/28/2026 22:14
Changes: 07/28/2026 22:14 (53)
Complete: 🔍
Cache ID: 216::103

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