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Vulnerability · Published Nov 1, 2026 · Assigned by VulDB

CVE-2026-120237ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumption

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in ag-ui from ag-ui-protocol. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 64.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Affected products (as reported)

VendorProductVersions
ag-ui-protocol ag-ui 0.0.10.0.20.0.30.0.40.0.50.0.60.0.70.0.8

Weakness: CWE-400, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C

References