CVE-2026-92360

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory published 2026-09-16. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: None knownExposed: 0

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

A weakness has been identified in ag-ui-protocol ag-ui 1.0. The impacted element is the function prepareRunAgentInput of the file agent/agent.ts of the component Event Application Layer. This manipulation of the argument TEXT_MESSAGE_START causes origin validation error. Remote exploitation of the attack is possible. The pull request to fix this issue awaits acceptance.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity63% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
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(client): retire only the interrupts a run was started to answer

Upstream fix in progress (PR #2701 · ag-ui-protocol/ag-ui, state=open)

https://github.com/ag-ui-protocol/ag-ui/pull/2701
generic

[BUG]: Client accepts server-asserted message roles; a server-side event chain clears pending interrupts · Issue #2437 · ag-ui-protocol/ag-ui · GitHub

https://github.com/ag-ui-protocol/ag-ui/issues/2437

Vendor Advisories for CVE-2026-92360(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 12× in last 7d / 12× 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 19:08 UTCEG score recompute
  2. 2026-09-19 19:08 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 18:44 UTCEG score recompute
  5. 2026-09-18 18:44 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-17 18:24 UTCGHSA enrichment
  8. 2026-09-16 18:04 UTCEG score recompute
  9. 2026-09-16 18:04 UTCGHSA enrichment
  10. 2026-09-16 13:27 UTCEG score recompute
  11. 2026-09-16 12:46 UTCEG score recompute
  12. 2026-09-16 12:45 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-92360?
CVE-2026-92360 is a medium vulnerability published on September 16, 2026. A weakness has been identified in ag-ui-protocol ag-ui 1.0. The impacted element is the function prepareRunAgentInput of the file agent/agent.ts of the component Event Application Layer. This manipulation of the argument TEXTMESSAGESTART causes origin validation error. Remote exploitation of the…
When was CVE-2026-92360 disclosed?
CVE-2026-92360 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-2026-92360 actively exploited?
CVE-2026-92360 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 92.5% of all scored CVEs.
What is the CVSS score of CVE-2026-92360?
CVE-2026-92360 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-92360?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92360, 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-2026-92360

Explore →

Is Your Infrastructure Affected by CVE-2026-92360?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs