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

> Remote attackers can cause resource consumption via the SSE Frame Parser in the ag-ui library, leading to denial of service.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Sep 2026
- **Updated:** 16 Sep 2026
- **Also known as:** GHSA-469m-pffj-3v74

## What is CVE-2026-92362?

CVE-2026-92362 is a medium-severity denial of service vulnerability in ag-ui-protocol ag-ui, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### 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.

Weakness: CWE-404 (Improper Resource Shutdown or Release), CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2026-92362?


## How do I fix CVE-2026-92362?

No fix has been published for CVE-2026-92362 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-92362 being exploited?

There is no known exploitation of CVE-2026-92362 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-92362 and fix it if it is affected.

What it is: CVE-2026-92362 is a medium-severity denial of service vulnerability in ag-ui-protocol ag-ui, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-92362 in the wild and no public exploit code.

Affected product: ag-ui-protocol ag-ui. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-92362/ (Markdown: https://insights.sbomify.com/CVE-2026-92362/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-92362
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92362
- OSV: https://osv.dev/vulnerability/CVE-2026-92362

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-92362/
Summaries are generated and may contain mistakes; the official description above is the record.