CVE-2026-92361

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-16. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A security vulnerability has been detected in ag-ui-protocol ag-ui 1.0. This affects an unknown function of the file sdks/community/go/pkg/client/sse/client.go of the component SSE Client. Such manipulation leads to resource consumption. The attack can be executed remotely. The pull request to fix this issue awaits acceptance.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
20(Track)
EG Risk 20/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 16, 2026

Advisory Details (3)

Auto-updated Sep 16, 2026
No patch confirmed yet. Sources: github_pr.
generic

GitHub - ag-ui-protocol/ag-ui: AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications. · GitHub

https://github.com/ag-ui-protocol/ag-ui/
github_pr

fix(go): bound the SSE frame and line the reader will hold

Upstream fix in progress (PR #2700 · ag-ui-protocol/ag-ui, state=open)

https://github.com/ag-ui-protocol/ag-ui/pull/2700
generic

[BUG]: Go community SDK accumulates SSE events without bounds · Issue #2438 · ag-ui-protocol/ag-ui · GitHub

https://github.com/ag-ui-protocol/ag-ui/issues/2438

Vendor Advisories for CVE-2026-92361(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 20:22 UTCEG score recompute
  2. 2026-09-19 20:22 UTCGHSA enrichment
  3. 2026-09-18 20:38 UTCEG score recompute
  4. 2026-09-18 20:38 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-17 20:46 UTCEG score recompute
  7. 2026-09-17 20:46 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-16 21:01 UTCEG score recompute
  10. 2026-09-16 21:01 UTCGHSA enrichment
  11. 2026-09-16 19:29 UTCEG score recompute
  12. 2026-09-16 19:29 UTCGHSA enrichment
  13. 2026-09-16 18:04 UTCEG score recompute
  14. 2026-09-16 18:03 UTCGHSA enrichment
  15. 2026-09-16 13:26 UTCEG score recompute
  16. 2026-09-16 13:06 UTCEG score recompute
  17. 2026-09-16 13:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-92361?
CVE-2026-92361 is a medium vulnerability published on September 16, 2026. A security vulnerability has been detected in ag-ui-protocol ag-ui 1.0. This affects an unknown function of the file sdks/community/go/pkg/client/sse/client.go of the component SSE Client. Such manipulation leads to resource consumption. The attack can be executed remotely. The pull request to fix…
When was CVE-2026-92361 disclosed?
CVE-2026-92361 was first published in the National Vulnerability Database on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92361 actively exploited?
CVE-2026-92361 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.5% of all scored CVEs.
What is the CVSS score of CVE-2026-92361?
CVE-2026-92361 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-92361?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92361, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-92361

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