CVE-2026-120237
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk35th percentile - higher than 35% of all known CVEs
Summary
A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58 in the isInterruptExpired function of sdks/typescript/packages/client/src/interrupts/index.ts, within the Interrupt expiry component. The manipulation causes resource consumption. Remote exploitation is possible and the exploit has been published.
Risk Assessment
A remote attacker could cause excessive resource consumption, potentially leading to denial of service or performance degradation of the application. The public availability of the exploit increases the risk of exploitation.
Recommendation
Update the ag-ui library to a version containing the fix once accepted, or apply a workaround to limit resource consumption. Monitor the application for unusual resource usage.
Other vulnerabilities in ag-ui-protocol ag-ui
See all- CVE-2026-92362High
A vulnerability was detected in ag-ui-protocol ag-ui 1.0. This impacts an unknown function of the file crates/ag-ui-client/src/sse.rs of the component SSE Frame Parser. Performing a manipulation results in resource consumption. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.
- CVE-2026-92359Low
A security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0. The affected element is the function create_strands_app of the file integrations/aws-strands/python/src/ag_ui_strands/utils.py of the component CORSMiddleware. The manipulation results in permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

