CVE-2026-92357

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 — 3 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: 0%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 vulnerability was identified in a2ui-project a2ui 0.8/0.9/1.0. Impacted is an unknown function of the file model-processor.ts of the component Model Processor. The manipulation of the argument current[segment] leads to information disclosure. The attack may be initiated remotely. The identifier of the patch is 1b3bff234661ce922cbc3771be642b23ec9fd0fa. To fix this issue, it is recommended to deploy a patch.

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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 18, 2026

Advisory Details (4)

Auto-updated Sep 16, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - a2ui-project/a2ui · GitHub

https://github.com/a2ui-project/a2ui/
github_commit

commit 1b3bff234661 (a2ui-project/a2ui)

Fix landed in a2ui-project/a2ui commit 1b3bff234661 — awaiting tagged release

https://github.com/a2ui-project/a2ui/commit/1b3bff234661ce922cbc3771be642b23ec9fd0fa
github_pr

fix(web_core): prevent prototype chain traversal in v0_8 read path

Fix merged in a2ui-project/a2ui PR #2355 on 2026-09-14 — awaiting tagged release

https://github.com/a2ui-project/a2ui/pull/2355
generic

[BUG]: v0_8 read path resolves JSON pointers through ordinary-object prototype chains · Issue #2299 · a2ui-project/a2ui · GitHub

https://github.com/a2ui-project/a2ui/issues/2299

Vendor Advisories for CVE-2026-92357(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 22× in last 7d / 29× 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. 2026-09-25 01:04 UTCEG score recompute
  2. 2026-09-25 01:04 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 23:58 UTCEG score recompute
  5. 2026-09-23 23:58 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-22 22:53 UTCEG score recompute
  8. 2026-09-22 22:52 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-21 21:47 UTCEG score recompute
  11. 2026-09-21 21:47 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-20 20:42 UTCEG score recompute
  14. 2026-09-20 20:42 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-19 19:37 UTCEG score recompute
  17. 2026-09-19 19:37 UTCGHSA enrichment
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-18 18:32 UTCEG score recompute
  20. 2026-09-18 18:32 UTCGHSA enrichment
  21. 2026-09-18 17:44 UTCEG score recompute
  22. 2026-09-18 17:44 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 19:12 UTCGHSA enrichment
  25. 2026-09-16 18:04 UTCEG score recompute
Show 4 more
  1. 2026-09-16 18:04 UTCGHSA enrichment
  2. 2026-09-16 11:21 UTCEG score recompute
  3. 2026-09-16 11:06 UTCEG score recompute
  4. 2026-09-16 11:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92357?
CVE-2026-92357 is a medium vulnerability published on September 16, 2026. A vulnerability was identified in a2ui-project a2ui 0.8/0.9/1.0. Impacted is an unknown function of the file model-processor.ts of the component Model Processor. The manipulation of the argument current[segment] leads to information disclosure. The attack may be initiated remotely. The identifier…
When was CVE-2026-92357 disclosed?
CVE-2026-92357 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92357 actively exploited?
CVE-2026-92357 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 69.2% of all scored CVEs.
What is the CVSS score of CVE-2026-92357?
CVE-2026-92357 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-92357?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92357, 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-2026-92357

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