Resource exhaustion in Ag-Ui-Protocol Ag-Ui
CVE-2026-92363
A flaw has been found in ag-ui-protocol ag-ui 1.0. Affected is an unknown function of the file src/stream/sse_parser.cpp of the component JSON Parser. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. This patch is called ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186. Applying a patch is advised to resolve this issue.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Ag-Ui-Protocol Ag-Ui — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/405449 (vdb-entry)
- vuldb.com/vuln/405449/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-92363 (third-party-advisory)
- vuldb.com/submit/934957 (third-party-advisory)
- github.com/ag-ui-protocol/ag-ui/issues/2440 (issue-tracking)
- github.com/ag-ui-protocol/ag-ui/pull/2501 (issue-tracking, patch)
- github.com/ag-ui-protocol/ag-ui/commit/ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186 (patch)
- github.com/ag-ui-protocol/ag-ui/ (product)
Frequently asked questions
- What is CVE-2026-92363?
- CVE-2026-92363 is a medium-severity vulnerability in Ag-Ui-Protocol Ag-Ui, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-09-16.
- How severe is CVE-2026-92363?
- Medium severity. CVSS v3 base score is 4.3 out of 10.