CVE-2026-90580

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-09-13. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
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: Elevated riskExposed: 0

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

A vulnerability was found in FlowiseAI Flowise up to 3.0.2. This vulnerability affects the function axios.post of the file packages/server/src/controllers/evaluations/index.ts of the component Evaluations Endpoint. The manipulation of the argument Host/X-Forwarded-Proto results in server-side request forgery. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.1.3 is able to resolve this issue. The patch is identified as 700137738bcaebefd4709021f6d6b0abcd7df0ac. It is recommended to upgrade the affected component. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 16, 2026

Advisory Details (4)

Auto-updated Sep 13, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_release.
generic

GitHub - FlowiseAI/Flowise: Build AI Agents, Visually · GitHub

https://github.com/FlowiseAI/Flowise/
github_release Patch Available

[email protected]

Patch available: FlowiseAI/Flowise [email protected]

https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.3
github_commit Patch Available

commit 700137738bca (FlowiseAI/Flowise)

Patch available: FlowiseAI/Flowise [email protected] (contains commit 700137738bca)

https://github.com/FlowiseAI/Flowise/commit/700137738bcaebefd4709021f6d6b0abcd7df0ac
generic🟡 PoC Available

SSRF via Host Header in Flowise Evaluations · Issue #6687 · FlowiseAI/Flowise · GitHub

https://github.com/FlowiseAI/Flowise/issues/6687

Vendor Advisories for CVE-2026-90580(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× 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. 2026-09-20 23:41 UTCEG score recompute
  2. 2026-09-20 23:41 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-19 22:28 UTCEG score recompute
  5. 2026-09-19 22:28 UTCGHSA enrichment
  6. 2026-09-18 21:16 UTCEG score recompute
  7. 2026-09-18 21:16 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-17 19:35 UTCEG score recompute
  10. 2026-09-17 19:35 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-16 15:29 UTCEG score recompute
  13. 2026-09-16 15:29 UTCGHSA enrichment
  14. 2026-09-16 15:18 UTCNVD updateCVSS v4 → 2.1
  15. 2026-09-16 14:26 UTCEG score recompute
  16. 2026-09-16 14:26 UTCGHSA enrichment
  17. 2026-09-16 14:25 UTCMITRE cvelistV5CVSS v4 → 5.3
  18. 2026-09-16 14:09 UTCEPSS rescore
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-15 18:52 UTCGHSA enrichment
  21. 2026-09-15 15:42 UTCEG score recompute
  22. 2026-09-15 15:42 UTCGHSA enrichment
  23. 2026-09-15 03:12 UTCEPSS rescore
  24. 2026-09-14 14:30 UTCEG score recompute
  25. 2026-09-14 14:30 UTCGHSA enrichment
Show 4 more
  1. 2026-09-13 20:25 UTCEG score recompute
  2. 2026-09-13 20:24 UTCNVD updateCVSS v4 → 2.1
  3. 2026-09-13 19:19 UTCEG score recompute
  4. 2026-09-13 19:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90580?
CVE-2026-90580 is a medium vulnerability published on September 13, 2026. A vulnerability was found in FlowiseAI Flowise up to 3.0.2. This vulnerability affects the function axios.post of the file packages/server/src/controllers/evaluations/index.ts of the component Evaluations Endpoint. The manipulation of the argument Host/X-Forwarded-Proto results in server-side…
When was CVE-2026-90580 disclosed?
CVE-2026-90580 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update 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-2026-90580 actively exploited?
CVE-2026-90580 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 86.4% of all scored CVEs.
What is the CVSS score of CVE-2026-90580?
CVE-2026-90580 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-90580?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90580, 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

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