ag-ui-protocol ag-ui 1.0 JSON Parser sse_parser.cpp resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k2.24

Summaryinfo

A vulnerability identified as problematic has been detected in ag-ui-protocol ag-ui 1.0. Affected by this vulnerability is an unknown functionality of the file src/stream/sse_parser.cpp of the component JSON Parser. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2026-92363. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in ag-ui-protocol ag-ui 1.0. It has been rated as problematic. This issue affects some unknown functionality of the file src/stream/sse_parser.cpp of the component JSON Parser. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-92363. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Applying the patch ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Resource consumption
CWE: CWE-400 / 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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186

Timelineinfo

09/16/2026 Advisory disclosed
09/16/2026 +0 days VulDB entry created
09/16/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2440
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-92363 (🔒)
GCVE (CVE): GCVE-0-2026-92363
GCVE (VulDB): GCVE-100-405449

Entryinfo

Created: 09/16/2026 07:41
Changes: 09/16/2026 07:41 (57)
Complete: 🔍
Submitter: meraklbz
Cache ID: 216::103

Submitinfo

Accepted

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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