[UPDATE] [high] Flowise: Multiple vulnerabilities

highCVE-2026-56275 CVE-2026-56269 CVE-2026-56270 CVE-2026-56278 CVE-2026-56273 CVE-2026-41137

An attacker can exploit multiple vulnerabilities in Flowise to execute arbitrary code, bypass security measures, disclose information, and manipulate files.

CSIRTS triage

vendor: Flowise product: Flowise Remote code execution Authentication bypass Information disclosureOther

What: Multiple vulnerabilities allow an attacker to execute arbitrary code, bypass security measures, disclose information, and manipulate files.
Who is affected: Deployments of Flowise are affected.
Urgency: Remediation is high urgency due to the severity of the vulnerabilities.
Action: Update to the latest version of Flowise to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-13
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1145

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-562750.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-562690.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2026-562702.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 80% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-562780.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-562730.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2026-411371.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 71% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-411380.60% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2026-412641.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 71% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-412650.57% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2026-412664.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 90% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56275	coverage & exploitation status	NVD · CVE.org
CVE-2026-56269	coverage & exploitation status	NVD · CVE.org
CVE-2026-56270	coverage & exploitation status	NVD · CVE.org
CVE-2026-56278	coverage & exploitation status	NVD · CVE.org
CVE-2026-56273	coverage & exploitation status	NVD · CVE.org
CVE-2026-41137	coverage & exploitation status	NVD · CVE.org
CVE-2026-41138	coverage & exploitation status	NVD · CVE.org
CVE-2026-41264	coverage & exploitation status	NVD · CVE.org
CVE-2026-41265	coverage & exploitation status	NVD · CVE.org
CVE-2026-41266	coverage & exploitation status	NVD · CVE.org
CVE-2026-41267	coverage & exploitation status	NVD · CVE.org
CVE-2026-41268	coverage & exploitation status	NVD · CVE.org
CVE-2026-41269	coverage & exploitation status	NVD · CVE.org
CVE-2026-41270	coverage & exploitation status	NVD · CVE.org
CVE-2026-41271	coverage & exploitation status	NVD · CVE.org
CVE-2026-41272	coverage & exploitation status	NVD · CVE.org
CVE-2026-41273	coverage & exploitation status	NVD · CVE.org
CVE-2026-41274	coverage & exploitation status	NVD · CVE.org
CVE-2026-41275	coverage & exploitation status	NVD · CVE.org
CVE-2026-41276	coverage & exploitation status	NVD · CVE.org
CVE-2026-41277	coverage & exploitation status	NVD · CVE.org
CVE-2026-41278	coverage & exploitation status	NVD · CVE.org
CVE-2026-41279	coverage & exploitation status	NVD · CVE.org
CVE-2026-43995	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Flowise

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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