Vulnerability · Published Nov 1, 2026 · Assigned by VulDB
CVE-2026-120233ag-ui-protocol ag-ui HttpAgent http.ts information disclosure
Medium 5.3
In plain English
A medium-severity information exposure 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 36% of all known vulnerabilities).
Official description
A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This affects an unknown function of the file sdks/typescript/packages/client/src/agent/http.ts of the component HttpAgent. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ag-ui-protocol | ag-ui | 0.0.10.0.20.0.30.0.40.0.50.0.60.0.70.0.8 |
Weakness: CWE-200, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
References
- VDB-429592 | ag-ui-protocol ag-ui HttpAgent http.ts information disclosure vdb-entry
- VDB-429592 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-120233 | CVE Analysis and Report third-party-advisory
- Submit #1015143 | ag-ui-protocol ag-ui <=0.0.58 CWE-200 third-party-advisory
- https://github.com/ag-ui-protocol/ag-ui/issues/2520 exploit, issue-tracking
- https://github.com/ag-ui-protocol/ag-ui/pull/2575 issue-tracking, patch
- https://github.com/ag-ui-protocol/ag-ui/ product