ag-ui-protocol ag-ui up to 0.0.58 Interrupt expiry index.ts isInterruptExpired resource consumption

Summaryinfo

A vulnerability was found in ag-ui-protocol ag-ui up to 0.0.58. It has been declared as problematic. This affects the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. Such manipulation leads to resource consumption. This vulnerability is documented as CVE-2026-120237. The attack can be executed remotely. Additionally, an exploit exists. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in ag-ui-protocol ag-ui up to 0.0.58. It has been rated as problematic. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. 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 for download at github.com. This vulnerability is handled as CVE-2026-120237. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is available at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• ag-ui-protocol

Name

• ag-ui

Version

• 0.0.1
• 0.0.2
• 0.0.3
• 0.0.4
• 0.0.5
• 0.0.6
• 0.0.7
• 0.0.8
• 0.0.9
• 0.0.10
• 0.0.11
• 0.0.12
• 0.0.13
• 0.0.14
• 0.0.15
• 0.0.16
• 0.0.17
• 0.0.18
• 0.0.19
• 0.0.20
• 0.0.21
• 0.0.22
• 0.0.23
• 0.0.24
• 0.0.25
• 0.0.26
• 0.0.27
• 0.0.28
• 0.0.29
• 0.0.30
• 0.0.31
• 0.0.32
• 0.0.33
• 0.0.34
• 0.0.35
• 0.0.36
• 0.0.37
• 0.0.38
• 0.0.39
• 0.0.40
• 0.0.41
• 0.0.42
• 0.0.43
• 0.0.44
• 0.0.45
• 0.0.46
• 0.0.47
• 0.0.48
• 0.0.49
• 0.0.50
• 0.0.51
• 0.0.52
• 0.0.53
• 0.0.54
• 0.0.55
• 0.0.56
• 0.0.57
• 0.0.58

Website

• Product: https://github.com/ag-ui-protocol/ag-ui/

CPE 2.3info

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Submitinfo

Accepted

• Submit #1015179: ag-ui-protocol ag-ui <=0.0.58 CWE-400 (by ez-lbz)

Once again VulDB remains the best source for vulnerability data.

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