CVE-2026-41268

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 13.8%, top 4% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.2%CVSS: 9.8Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise is vulnerable to a critical unauthenticated remote command execution (RCE) vulnerability. It can be exploited via a parameter override bypass using the FILE-STORAGE:: keyword combined with a NODE_OPTIONS environment variable injection. This allows for the execution of arbitrary system commands with root privileges within the containerized Flowise instance, requiring only a single HTTP request and no authentication or knowledge of the instance. This vulnerability is fixed in 3.1.0.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
60
EG Risk 60/100

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
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
EPSS PROB
1.2%
EPSS %ILE
68th
KEV
Not listed

Published

April 23, 2026

Last Modified

April 24, 2026

Advisory Details (1)

Auto-updated Oct 8, 2026
🔬 Proof of concept available. Patch available. Sources: github.
githubMentions a patch (unverified)🟡 PoC Available

Flowise Parameter Override Bypass Remote Command Execution · Advisory · FlowiseAI/Flowise · GitHub

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-cvrr-qhgw-2mm6

Affected Packages

(2 across 1 ecosystem)
npm(2)
PackageVulnerable rangeFix by version rangeDependents
flowise—
  • every version up to 3.1.0: fixed in 3.1.0
—
flowise-components—
  • every version up to 3.1.0: fixed in 3.1.0
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 21× 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.

Showing the most recent 100 of 157 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:12 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
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  13. 2026-09-23 08:53 UTCOSV refresh
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  1. 2026-09-04 05:06 UTCEPSS rescore
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  3. 2026-09-02 14:12 UTCEPSS rescore
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  26. 2026-08-12 13:51 UTCEPSS rescore
  27. 2026-08-11 16:43 UTCEG score recompute
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  49. 2026-07-23 03:11 UTCEG score recompute
  50. 2026-07-22 14:08 UTCEPSS rescore
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  52. 2026-07-20 23:02 UTCOSV refresh
  53. 2026-07-20 17:08 UTCEPSS rescore
  54. 2026-07-19 02:29 UTCEPSS rescore
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  73. 2026-06-28 04:56 UTCEPSS rescore
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  75. 2026-06-25 13:49 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-41268?
CVE-2026-41268 is a critical vulnerability published on April 23, 2026. Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise is vulnerable to a critical unauthenticated remote command execution (RCE) vulnerability. It can be exploited via a parameter override bypass using the FILE-STORAGE:: keyword combined…
When was CVE-2026-41268 disclosed?
CVE-2026-41268 was first published on April 23, 2026, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41268 actively exploited?
CVE-2026-41268 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.2% probability of exploitation in the next 30 days (68th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-41268?
CVE-2026-41268 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-41268?
A fix for CVE-2026-41268 is available: update to the fixed version the vendor names in its advisory.

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