Vulnerability · Published Sep 16, 2026 · Assigned by VulDB

CVE-2026-92362ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption

High 7.3

In plain English

A high-severity uncontrolled resource consumption in ag-ui from ag-ui-protocol. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 55.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
ag-ui-protocol	ag-ui	1.0

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

References

VDB-405448 | ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption vdb-entry
VDB-405448 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-92362 | CVE Analysis and Report third-party-advisory
Submit #934956 | ag-ui-protocol ag-ui v1.0 CWE-400 third-party-advisory
https://github.com/ag-ui-protocol/ag-ui/issues/2439 issue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/2500 issue-tracking, patch
https://github.com/ag-ui-protocol/ag-ui/ product